It is the law of this State that “a written deed, absolute in terms, cannot be changed into a mortgage except upon allegation and proof that the clause of redemption was omitted by reason of ignorance, mistake, fraud, or undue advantage.” This position was approved and confirmed in the recent case of Newton v. Clark, 174 N. C., 393, and it was there further held that “Parol evidence that a deed to lands was made on an agreement to reconvey the same to the grantor on a certain contingency is incompetent to establish parol trust in the grantor’s favor,” etc., citing a long line of authorities in support of both, positions. The opinion then quotes with approval from Pearson, J., in Sowell v. Barrett, 45 N. C., 54, as follows: “Since the case of Streator v. Jones, 10 N. C., 433, there has been a uniform current of decisions by which these two principles are established in reference to bills which seek -.to correct a deed, absolute on its face, into a mortgage or security for a debt; (1) It must be alleged, and of course proven, that the clause of redemption was omitted by reason of ignorance, mistake, fraud or undue advantage; (2) the intention must be established, not merely by proof of declarations, but by proof of facts and circumstances, de hors the deed, inconsistent with the idea of an absolute purchase. Otherwise titles evidenced by solemn deeds would be at all times exposed to the ‘slippery memory of witnesses,’ ” and proceeds, “These principles are fully discussed in Kelly v. Bryan, 6 Ire. Eq., 283, and it is useless to elaborate them again. This excerpt from the opinion has been quoted literally and with approval in Bonham v. Craig, 80 N. C., 224; Watkins v. Williams, 123 *305N. C., 170; Porter v. White, 128 N. C., 43, and tbe same principle is declared in different language in Kelly v. Bryan, 41 N. C., 286; Brown v. Carson, 45 N. C., 272; Briant v. Corpening, 62 N. C., 325; Edgerton v. Jones, 102 N. C., 283; Norris v. McLam, 104 N. C., 160; Sprague v. Bond, 115 N. C., 532.” And, in negation of tbe right to establish a parol trust in favor of the grantor, cites Gaylord v. Gaylord, 150 N. C., 228.
It is nowhere alleged in the pleadings that the clause of redemption was omitted by mistake, nor do we find that any proof was offered to that effect nor is it established by the verdict. This is not a c’ase then of a defective statement of a cause of action which has been in any way supplemented or cured but- the case presented is one where a fact, essential to support a judgment in plaintiff’s favor, is entirely lacking and the same must therefore be set aside. Warlick v. Plonk, 103 N. C., 81; Emery and Wife v. R. R., 102 N. C., 209. In the latter case the principle is stated as follows: “The verdict, whether in response to one or many issues, must establish facts sufficient to enable a court to proceed to judgment.” We were referred by counsel for plaintiff to the case of Fuller v. Jenkins, 130 N. C., 554, as an authority to the effect that a deed, absolute in form, may be changed into a mortgage by reason of a eotemporaneous parol agreement to that effect and without allegation or proof that the clause of redemption was omitted by mistake or fraud, etc., and it is insisted that the principle of stare decisis may be invoked in support of the present proceedings and in protection of the rights and interests arising to plaintiff while that case expressed the ruling of the Supreme Court on the question presented. The doctrine of stare'decisis or the principle of adherence to judicial precedents is fully established in this State, and in proper instances will continue to be steadfastly upheld. Mason v. Cotton Co., 148 N. C., 492, and Hill v. R. R., 143 N. C., 539. The position recognized in Fuller v. Jenkins having been entirely disapproved in the later ease of Newton v. Clark, supra, the doctrine is not in strictness presented by the record, and the question recurs on the effect to be allowed the case of Fuller v. Jenkins as a precedent in support of the interest which plaintiff is here endeavoring to assert, j While a single decision may become a precedent sufficiently authoritative to protect rights acquired during its continuance, such a case more frequently occurs in the construction of statutes applicable, in which case an authoritative interpretation, formally made by a court of last resort, is thereafter considered a part of the law itself and may be invoked to protect titles acquired and investments made on the faith of the principle so recognized and declared. In decisions, however, declaratory of the common law or of general equitable principles, in order to establishment of such a precedent, it is more usually required *306that there be a series of decisions on a given subject, or if one, that it be so definitive in its terms and so generally acquiesced in and acted on that it has come to be recognized as the accepted rule on a given question.
It is said that a Supreme Court decision in that class of cases does not constitute the law but is only evidence of it, and the general rule is that when a court, of last resort has felt called on to overrule such a decision it is not thereafter considered bad law but as never having been the law applicable in such case.
Mason v. Cotton Co., supra, and authorities cited; Ram on Judgments, ch. 3, p. 47, and the question of how far it should serve to .protect intervening rights, is largely in the discretion of the court that rendered it. Black on the Law of Judicial Precedents, p. 187; dependent on the character of the decision itself, that is, whether it is sufficiently definitive and purports to establish a given principle; the nature of the right for which protection is claimed and whether it was considered and reasonably relied upon in the case presented, and how far a sound public policy is involved and must be allowed to affect the question. The principle appearing in Fuller v. Jenkins is in direct antagonism to the law of this State, as established by a current of decisions, well nigh from the beginning of the Court, certainly as far back as Streator v. Jones, 10 N. C., 433, in 1824, one of them, Porter v. White, 128 N. C., 42, just •one year prior to the case in question and fully reaffirmed in the later decision of Newton v. Clark, supra; all holding that in order to change a deed into a mortgage it must be alleged and proved that the clause of redemption was omitted by mistake, etc. The case does not, in terms, purport to lay down any definite or different principle nor to question or disturb the law as it formerly prevailed. It has not since been cited or referred to as an authoritative precedent and is evidently an inadvertence on the part of the Court and of the able and learned Judge who wrote the opinion. In the case of Ray v. Patterson, 170 N. C., 226, to which we were also cited and in which a-similar issue appeared, the decision was made to turn principally on an erroneous ruling of the Court as to the quantum of proof for which a new trial was allowed, and the instant question was in no way presented or passed upon. Again, there is no rule in our system of jurisprudence that has a greater tendency to maintain the stability of titles and the security of investments than that which upholds the integrity of solemn written deed and protects them from assault by parol testimony except in specified and very restricted instances, and sound public policy which forms the basis of stare decisis and its proper application forbids that, on the facts of this record, the decision relied upon by plaintiff should be in any way recognized as a precedent, rendering, as it would, all muniments of title coming under it liable to be altered or set aside by parol evidence as in *307ordinary eases. In no aspect of the matter therefore can Fuller v. Jenkins be regarded as an authoritative decision available for the protection of the right asserted by plaintiff in the present suit, and the position is fully supported by the decided cases on the subject. Thus, in Mason v. Cotton Co., supra, the Court refused to allow the principles of an overruled case in protection of a claimant’s rights under an execu-tory contract, the decision being contrary to a general business law and not having been acquiesced in as the settled rule on the subject. And in Quaker Realty Co. v. La Basse, 131 La., 996, reported also in 31 Amer. and Eng. Anno. Cases, p. 1073, it was held “That a single decision can seldom serve as a basis for stare decisis and never where opposed to previous decisions, especially where they are overruled' without being referred to as if they had escaped the attention of the Court.” And in the editorial note in the publication referred to there are numbers of cases from courts of the highest authority to the effect that a solitary decision has been held insufficient to change the law on a given subject as it had formerly prevailed. In Herron, Admr. v. Whiteley Malleable Castings Co. et al., 47 Ind. App., 335, it was decided, among other things: “The decisions of the Supreme Court do not constitute the law but are merely' evidence thereof, and people have no right to rely thereon until harmonious and well-advised opinions have been reported and have stood unchallenged for a long time.
“ ... 2. Where the decisions of the Supreme Court are conflicting or are so recently made that the parties cannot be presumed to have contracted in'reference thereto, the doctrine of stare decisis cannot be invoked in support of a contract.” In Stockton, Trustee v. The Duncan Mfg. Co., 22 N. J. Eq., p. 56, involving the validity of a tender in United States notes at a time when they were held insufficient for the purpose and the effect of a subsequent decision holding this a valid tender, the Court held: “A change in the law, by decision, is retrospective, and makes the law at the time of the first decision as it is declared in the last decision, as to all transactions that can be reached by it. Hence, a tender having been made in United States notes before the commencement of this suit, the mortgage debt must be considered as legally tendered.” And the ease of Stowes v. Cortes and Wife, 90 Texas, p. 283, and Allen v. Allen, 95 Cal., p. 185, are in affirmance of the same general principle.
For the reasons indicated we are of opinion, as stated, that the facts established by the verdict and shown in the record are insufficient to support the judgment and that the same must be set aside and a new trial had, with leave given to plaintiff to amend his pleadings, making further averment of his cause of action if the facts available should justify such a course.
Error.