Every man can educate himself. It's shameful to put one's mind into the hands of those whom you wouldn't entrust with your money. Dare to think for yourself.

There is an astonishing imagination, even in the science of mathematics. ... We repeat, there was far more imagination in the head of Archimedes than in that of Homer.

Self love is the instrument of our preservation.

To achieve a goal, a dream, a wish, you must plan it out for success!

Since the whole affair had become one of religion, the vanquished were of course exterminated.

The policy of man consists, at first, in endeavoring to arrive at a state equal to that of animals, whom nature has furnished with food, clothing, and shelter.

All the persecutors declare against each other mortal war, while the philosopher, oppressed by them all, contents himself with pitying them.