by John Marshall Harlan, Abraham v. Ordway — Opinion of the Court
“ One of the grounds upon which courts of equity refuse relief where the plaintiff is guilty of laches is the injustice of imposing upon the defendant the necessity of making proof of transactions long past, in order to protect himself in the enjoyment of rights which, during a considerable period, have passed unchallenged by his adversary, with full knowledge of all the circumstances. The principle has been thus stated by this court: 'Length of time necessarily obscures all human evidence, and deprives parties of the means of ascertaining the nature of original transactions ”
