One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.
The only real mistake is the one from which we learn nothing.
What's done can't be undone.
Stupidity is a talent for misconception.
To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.
When you judge another, you do not define them, you define yourself.
It was a melancholy secret that reality can arouse desires but never satisfy them.
If you don't know where you're from, you'll have a hard time saying where you're going.
Wisdom... comes not from age, but from education and learning.
If we don't believe in freedom of expression for people we despise, we don't believe in it at all.
Act as if the maxim of your action were to become through your will a general natural law
The more that you read, the more things you will know. The more that you learn, the more places you'll go.
Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.
Rational discussion is useful only when there is a significant base of shared assumptions.
Property is surely a right of mankind as real as liberty.
Intellectuals solve problems, geniuses prevent them.
Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.
Love make us poets, and the approach of death should make us philosophers.
Nothing is so strong as gentleness, nothing so gentle as real strength
A wise man can learn more from a foolish question than a fool can learn from a wise answer.
We may encounter many defeats but we must not be defeated.