“Love is that splendid triggering of human vitality the supreme activity which nature affords anyone for going out of himself toward someone else.”

“Tell me to what you pay attention and I will tell you who you are.”

“The good is, like nature, an immense landscape in which man advances through centuries of exploration.”

“An 'unemployed' existence is a worse negation of life than death itself.”

“Youth does not require reasons for living, it only needs pretexts.”

“We have need of history in its entirety, not to fall back into it, but to see if we can escape from it.”

“When you think you're right, you're most likely wrong.”

“Stand up for what is right even if you're standing alone.”

“If we go to war, it must only be with right on our side.”