It is not enough to have a good mind; the main thing is to use it well.
It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.
Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.
It is always advisable to perceive clearly our ignorance.
Yesterday is but today's memory and tomorrow is today's dream.
Think no vice so small that you may commit it, and no virtue so small that you may over look it.
Don't criticize what you can't understand.
Almost every wise saying has an opposite one, no less wise, to balance it.
No one cares how much you know, until they know how much you care
Experience is the only prophecy of wise men.
One who deceives will always find those who allow themselves to be deceived.
We choose our joys and sorrows long before we experience them.
Intelligence is the ability to adapt to change.
A friend to all is a friend to none
It is not the strength, but the duration, of great sentiments that makes great men.
One never notices what has been done; one can only see what remains to be done.
Thoughts without content are empty, intuitions without concepts are blind.
He alone is free who lives with free consent under the entire guidance of reason.
The road of excess leads to the palace of wisdom.
Nothing is softer or more flexible than water, yet nothing can resist it.
If we don't believe in freedom of expression for people we despise, we don't believe in it at all.