It were a real increase of human happiness, could all young men from the age of nineteen be covered under barrels, or rendered otherwise invisible; and there left to follow their lawful studies and callings, till they emerged, sadder and wiser, at the age of twenty-five.

What we become depends on what we read after all of the professors have finished with us. The greatest university of all is a collection of books.

Respectable Professors of the Dismal Science.

The insignificant, the empty, is usually the loud; and after the manner of a drum, is louder even because of its emptiness.

If I had my way, the world would hear a pretty stern command - Exit Christ.

Man is a tool-using animal.

No iron chain, or outward force of any kind, can ever compel the soul of a person to believe or to disbelieve.