Friends should be preferred to kings.

I envy animals for two things - their ignorance of evil to come, and their ignorance of what is said about them.

It requires ages to destroy a popular opinion.

A physician is an unfortunate gentleman who is every day required to perform a miracle; namely to reconcile health with intemperance.

A witty saying proves nothing, but saying something pointless gets people's attention.

Every sensible man, every honorable man, must hold the Christian sect in horror." "Christianity is the most ridiculous, the most absurd and bloody religion that has ever infected the world." "Nothing can be more contrary to religion and the clergy than reason and common sense." "If we believe absurdities, we shall commit atrocities.

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