The materials are indifferent, but the use we make of them is not a matter of indifference.

If you do not wish to be prone to anger, do not feed the habit; give it nothing which may tend to its increase. At first, keep quiet and count the days when you were not angry: "I used to be angry every day, then every other day: next, every two, then every three days!" and if you succeed in passing thirty days, sacrifice to the gods in thanksgiving.

If you wish to be a writer, write.

You are but an appearance, and not absolutely the thing you appear to be.

Happiness and freedom begin with a clear understanding of one principle: Some things are within our control, and some things are not.

Man is not fully free unless he is master of himself.

Do not laugh much or often or unrestrainedly.