But the touch or company of any man whatsoever stirreth up their heat, which in their solitude was hushed and quiet, and lay as cinders raked up in ashes.

Each man calls barbarism whatever is not his own practice; for indeed it seems we have no other test of truth and reason than the example and pattern of the opinions and customs of the country we live in

Not because Socrates said so, but because it is in truth my own disposition — and perchance to some excess — I look upon all men as my compatriots, and embrace a Pole as a Frenchman, making less account of the national than of the universal and common bond.

The honor of the conquest is rated by the difficulty.

The most regular and most perfect soul in the world has but too much to do to keep itself upright from being overthrown by its own weakness.

Since philosophy is the art which teaches us how to live, and since children need to learn it as much as we do at other ages, why do we not instruct them in it? .. But in truth I know nothing about the philosophy of education except this: that the greatest and the most important difficulty known to human learning seems to lie in that area which treats how to bring up children and how to educate them.

All the world knows me in my book, and my book in me.