The Jews have always been waiting for a Messiah, but their Messiah is for them only, not for us, a Messiah ho will give them mastery over the Christians.

When he who hears does not know what he who speaks means, and when he who speaks does not know what he himself means, that is philosophy.

We have a natural right to make use of our pens as of our tongue, at our peril, risk and hazard.

I keep to old books, for they teach me something; from the new I learn very little

What is madness? To have erroneous perceptions and to reason correctly from them.

If you want good laws, burn those you have and make new ones.

If there’s life on other planets, then the earth is the Universe’s insane asylum.