"We are all so much together, but we are all dying of loneliness."

"The greatest thing in the world is to know how to belong to oneself."

"The greatest good you can do for another is not just to share your riches but to reveal to him his own."

"The thinking man must oppose all cruel customs, no matter how deeply rooted in tradition and surrounded by a halo. When we have a choice, we must avoid bringing suffering upon other creatures, so far …"

"The human race is a race of slaves, and it will remain so until it learns to think for itself."