There are things known and there are things unknown, and in between are the doors of perception.

You always admire what you really don't understand.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

The first method for estimating the intelligence of a ruler is to look at the men he has around him.

No one can make you feel inferior without your consent.

A proverb is much matter distilled into few words.

The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.

Not everything that can be counted counts, and not everything that counts can be counted.

Good means not merely not to do wrong, but rather not to desire to do wrong.

Don't compromise yourself. You are all you've got.

He alone is free who lives with free consent under the entire guidance of reason.

The cure for pain is in the pain.

Wonder is the beginning of wisdom.

To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

The one you buy will be the only one that doesn't work.

Think globally, act locally.

Property is surely a right of mankind as real as liberty.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

If you have no problems, then you have no clue to what is going.

There are no eternal facts, as there are no absolute truths.

Everybody is ignorant, only on different subjects.