The ultimate authority must always rest with the individual's own reason and critical analysis.

It is not enough to have a good mind; the main thing is to use it well.

Proverbs are short sentences drawn from long experience.

Admiration is the daughter of ignorance.

Everything excellent is as difficult as it is rare.

Experience is the only prophecy of wise men.

Those who can not change their minds can not change anything.

Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.

It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.

One who deceives will always find those who allow themselves to be deceived.

If you are neutral in situations of injustice, you have chosen the side of the oppressor.

It is tact that is golden, not silence.

What's real and what's true aren't necessarily the same.

If I speak of myself in different ways, that is because I look at myself in different ways.

As our case is new, we must think and act anew.

It is man that makes truth great, not truth that makes man great.

It is not the strength, but the duration, of great sentiments that makes great men.

It is easy to be brave at a safe distance.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

An intelligent hell would be better than a stupid paradise.

Whenever you find yourself on the side of the majority, it is time to pause and reflect.