Achievement brings its own anticlimax.

Learn from the mistakes of others. You can never live long enough to make them all yourself.

Let no man pull you low enough to hate him.

It was a melancholy secret that reality can arouse desires but never satisfy them.

Jealousy is the tribute mediocrity pays to genius.

In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

Strength does not come from physical capacity. It comes from an indomitable will.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

The only limit to our realization of tomorrow will be our doubts of today.

Knowing is not enough, we must apply. Willing is not enough, we must do.

When you undervalue what you do, the world will undervalue who you are

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

None but ourselves can free our minds.

To be wronged is nothing unless you continue to remember it.

Take care of the pieces well. The whole will take care of itself.

Wisdom begins at the end.

Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.

One who deceives will always find those who allow themselves to be deceived.

The ethos of redemption is realized in self-mastery, by means of temperance, that is, continence of desires.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence