"The tragedy of modern war is that the young men die fighting each other - instead of their real enemies back home in the capitals"

"The young man knows the rules, but the old man knows the exceptions"

"Neurotics complain of their illness, but they make the most of it, and when it comes to talking it away from them they will defend it like a lioness her young"

"Young men have a passion for regarding their elders as senile"

"Youth is not a question of years: one is young or old from birth"

"No worse fate can befall a young man or woman than becoming prematurely entrenched in prudence and negation"

"In America the young are always ready to give to those who are older than themselves the full benefits of their inexperience"

"He has no enemies, but is intensely disliked by his friends"

"Am I not destroying my enemies when I make friends of them?"

"I shall not die young, for I am already near seventy: I may die old"

"A person who doubts himself is like a man who would enlist in the ranks of his enemies and bear arms against himself. He makes his failure certain by himself being the first person to be convinced of it"