Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.

Instinct is a marvellous thing. It can neither be explained nor ignored.

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.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

It is neither good nor bad, but thinking makes it so.

It is not the strength, but the duration, of great sentiments that makes great men.

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

The smaller the mind, the greater the conceit.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.

Achievement brings its own anticlimax.

Life's battles don't always go to the stronger or faster man. But sooner or later, the man who wins is the man who thinks he can.

There's no sense in being precise when you don't even know what you're talking about.

Each problem that I solved became a rule which served afterwards to solve other problems.

Yesterday is but today's memory and tomorrow is today's dream.

We seldom realize, for example that our most private thoughts and emotions are not actually our own. For we think in terms of languages and images which we did not invent, but which were given to us by our society.

It is easy to be brave at a safe distance.

I don't like definitions, but if there is a definition of freedom, it would be when you have control over your reality to transform it, to change it, rather than having it imposed upon you. You can't really ask for more than that.

Having a great intellect is no path to being happy.

Forget not that the earth delights to feel your bare feet and the winds long to play with your hair.

Promises are like crying babies in a theater, they should be carried out at once.

I am a lover of truth, a worshipper of freedom, a celebrant at the altar of language and purity and tolerance.