Adapt what is useful, reject what is useless, and add what is specifically your own.
The cure for pain is in the pain.
Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.
Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.
It has seemed to be more necessary to have regard to the weight of words rather than to their number.
Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.
We thought that we had the answers, it was the questions we had wrong.
Real knowledge is to know the extent of one's ignorance.
Stupidity is a talent for misconception.
Never do anything when you are in a temper, for you will do everything wrong.
Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.
There are two educations. One should teach us how to make a living and the other how to live.
Man's sensitivity to the little things and insensitivity to the greatest are the signs of a strange disorder.
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.
A man who as a physical being is always turned toward the outside, thinking that his happiness lies outside him, finally turns inward and discovers that the source is within him.
Chaos is a name for any order that produces confusion in our minds.
The greatest minds are capable of the greatest vices as well as of the greatest virtues.
If you are neutral in situations of injustice, you have chosen the side of the oppressor.
Respect yourself if you would have others respect you.
The greatest power we have is the power of choice.
Without courage, wisdom bears no fruit.