The average man is what his environment and his superstitions have made him; and their function is to make him an ass. He can't add up three or four new circumstances together and perceive what they mean; it is beyond him. He is not capable of observing for himself; he has to get everything at second-hand. If what are miscalled the lower animals were as silly as man is, they would all perish from the earth in a year.

Intellectual food is like any other; it is pleasanter and more beneficial to take it with a spoon than a shovel.

Humor is mankind's greatest blessing.

Tom said to himself that it was not such a hollow world, after all. He had discovered a great law of human action, without knowing it -- namely, that in order to make a man or a boy covet a thing, it is only necessary to make the thing difficult to attain.

I think the Cincinnati Enquirer must be edited by children.

It is just like man's vanity and impertinence to call an animal dumb because it is dumb to his dull perceptions. Heaven is by favor; if it were by merit your dog would go in and you would stay out. Of all the creatures ever made he (man) is the most detestable. Of the entire brood, he is the only one...that possesses malice. He is the only creature that inflicts pain for sport, knowing it to be pain. The fact that man knows right from wrong proves his intellectual superiority to the other creatures; but the fact that he can do wrong proves his moral inferiority to any creature that cannot.

Do not undervalue the headache. While it is at its sharpest it seems a bad investment; but when relief begins, the unexpired remainder is worth $4 a minute.