Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.

He alone is free who lives with free consent under the entire guidance of reason.

Admiration is the daughter of ignorance.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Having a great intellect is no path to being happy.

There are two educations. One should teach us how to make a living and the other how to live.

Be silent or let thy words be worth more than silence.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

You are the bows from which your children as living arrows are sent forth.

Whatever the mind of man creates, should be controlled by man's character

It’s your road and yours alone. Others may walk it with you, but no one can walk it for you.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

No one can make you feel inferior without your consent.

Nothing is more intolerable than to have to admit to yourself your own errors.

Appearances often are deceiving.

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

Generosity is giving more than you can, and pride is taking less than you need.

Wonder is the beginning of wisdom.

Never argue with an idiot. They drag you down to their level and then beat you with experience.

Doubt is the origin of wisdom

It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.