I see men ordinarily more eager to discover a reason for things than to find out whether the things are so.

For among other things he had been counseled to bring me to love knowledge and duty by my own choice, without forcing my will, and to educate my soul entirely through gentleness and freedom.

He who is not sure of his memory, should not undertake the trade of lying.

One should be ever booted and spurred and ready to depart.

Obstinacy and dogmatism are the surest signs of stupidity. Is there anything more confident, resolute, disdainful, grave and serious than an ass?

The thing in the world I am most afraid of is fear, and with good reason; that passion alone, in the trouble of it, exceeding all other accidents

Though we may be learned by another's knowledge, we can never be wise but by our own experience.