Hence intellect[ual perception] is both a beginning and an end, for the demonstrations arise from these, and concern them. As a result, one ought to pay attention to the undemonstrated assertions and opinions of experienced and older people, or of the prudent, no less than to demonstrations, for, because the have an experienced eye, they see correctly.
AristotleYoung people are in a condition like permanent intoxication, because life is sweet and they are growing.
AristotleIt is more difficult to organize a peace than to win a war; but the fruits of victory will be lost if the peace is not organized.
Aristotle