"It is difficult to live with people because it is so difficult to be silent. And not against him who is repugnant to us are we most unfair, but against him who is no concern of ours."

"The irrationality of a thing is no argument against its existence, rather a condition of it."

"No price is too high to pay for the privilege of owning yourself."

"Is man merely a mistake of God's? Or God merely a mistake of man's?"

"We have no dreams at all or interesting ones. We should learn to be awake the same way - not at all or in an interesting manner."

"Convictions are more dangerous enemies of truth than lies."

"Mankind must put an end to war, or war will put an end to mankind."

"Everything that can be invented has been invented."

"Be discreet in all things, and so render it unnecessary to be mysterious about any."

"A ship is safe in harbor, but that's not what ships are for."

"Courage is the ladder on which all other virtues mount."

"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."