Who said “Our dignity is not in what we do, but in what we understand.”?

“Only man has dignity; only man, therefore, can be funny.”

“There is a healthful hardiness about real dignity that never dreads contact and communion with others however humble.”

“Every man has his dignity. I'm willing to forget mine, but at my own discretion and not when someone else tells me to.”

“Dignity belongs to the conquered.”

“When boasting ends, there dignity begins.”

“Skepticism is the chastity of the intellect.”

“Perhaps the only true dignity of man is his capacity to despise himself.”

“The young man who has not wept is a savage, and the old man who will not laugh is a fool.”

“Beauty as we feel it is something indescribable; what it is or what it means can never be said.”

“The empiricist... thinks he believes only what he sees, but he is much better at believing than at seeing.”

“Let a man once overcome his selfish terror at his own finitude, and his finitude is, in one sense, overcome.”