Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.

Having a great intellect is no path to being happy.

Act as if the maxim of your action were to become through your will a general natural law

All differences in this world are of degree, and not of kind, because oneness is the secret of everything.

Not everything that can be counted counts, and not everything that counts can be counted.

The best revenge is to be unlike him who performed the injury.

Experience keeps a dear school, but fools will learn in no other.

The cure for pain is in the pain.

A man is literally what he thinks.

One of the truest tests of integrity is its blunt refusal to be compromised.

The more that you read, the more things you will know. The more that you learn, the more places you'll go.

Property is surely a right of mankind as real as liberty.

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

Confidence is contagious. So is lack of confidence.

Intellectuals solve problems, geniuses prevent them.

Never pick a fight with an ugly person, they've got nothing to lose.

Judge a man by his questions rather than by his answers.

We learn from our gardens to deal with the most urgent question of the time: How much is enough?

It has seemed to be more necessary to have regard to the weight of words rather than to their number.

Moderation in temper is always a virtue; but moderation in principle is always a vice.

All great achievements require time.