for the ages

for the ages

That will stand the test of time; that will be remembered or regarded for years to come. His epic novel is truly one for the ages, as it explores the human condition in a way few authors have achieved before. The question of free will is a philosophical mystery for the ages.
See also: age
References in classic literature ?
Perhaps his name might be found in the records of that stern Court of Justice, which passed a sentence, too mighty for the age, but glorious in all after-times, for its humbling lesson to the monarch and its high example to the subject.