Too much is just enough.

There is no sadder sight than a young pessimist.

I have stopped smoking now and then, for a few months at a time, but it was not on principle, it was only to show off; it was to pulverize those critics who said I was a slave to my habits and couldn't break my bonds.

It is a solemn thought: dead, the noblest man's meat is inferior to pork.

Concerning the difference between man and the jackass: some observers hold that there isn't any. But this wrongs the jackass.

The Christian Bible is a drug store. It´s contents have remained the same but the medical practice continues. For 1,800 years these changes were slight--scarcely noticeable... The dull and ignorant physician day and night, and all the days and all the nights, drenched his patient with vast and hideous doses of the most repulsive drugs to be found in the store´s stock. He kept him religion sick for eighteen centuries, and allowed him not a well day during all that time.

Custom is custom: it is built of brass, boiler-iron, granite; facts, reasonings, arguments have no more effect upon it than the idle winds have upon Gibraltar.