Every fool believes what his teachers tell him, and calls his credulity science or morality as confidently as his father called it divine revelation.

Happiness and beauty are by-products. Folly is the direct pursuit of happiness and beauty.

All progress is due to the unreasonable person.

If all the Churches of Europe closed their doors until the drums ceased rolling they would act as a most powerful reminder that though the glory of war is a famous and ancient glory, it is not the final glory of God.

If a group of beings from another planet were to land on Earth - beings who considered themselves as superior to you as you feel yourself to be to other animals - would you concede them the rights over you that you assume over other animals?

Where there is no knowledge ignorance calls itself science.

I am very sorry, but I cannot learn languages. I have tried hard, only to find that men of ordinary capacity can learn Sanskrit in less time that it takes me to buy a German Dictionary