There are things known and there are things unknown, and in between are the doors of perception.

True knowledge lies in knowing how to live.

Do not say a little in many words, but a great deal in few!

I write with experiences in mind, but I don't write about them, I write out of them.

A precedent embalms a principle.

A proverb is much matter distilled into few words.

The most courageous act is still to think for yourself. Aloud.

Courage, above all things, is the first quality of a warrior.

And this sensitivity will create new friendships for you - friendships with trees, with birds, with animals, with mountains, with rivers, with oceans, with stars. Life becomes richer as love grows.

Happiness is not an ideal of reason, but of imagination.

Don't expect to build up the weak by pulling down the strong.

Desire is the very essence of man.

Just remember, once you're over the hill you begin to pick up speed.

I think, therefore I am.

To a wise and good man the whole earth is his fatherland.

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

A person reveals his character by nothing so clearly as the joke he resents.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

Taste every fruit of every tree in the garden at least once. It is an insult to creation not to experience it fully. Temperance is wickedness.

Most of what matters in our lives takes place in our absence.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.