The sloth lives his life upside down. He is perfectly comfortable that way. If the blood rushes to his head, nothing happens because there is nothing to work on.

Frogs will eat red-flannel worms fed to them by biologists; this proves a great deal about both parties concerned.

Just when you're beginning to think pretty well of people, you run across somebody who puts sugar on sliced tomatoes.

The sloth lives his life upside down. He is perfectly comfortable that way. If the blood rushes to his head, nothing happens because there is nothing to work on.

It is because of his brain that he [modern man] has risen above the animals. Guess which animals he has risen above.

Cæsar might have married her [Cleopatra], but he had a wife at home. There's always something.

Aristotle taught that the brain exists merely to cool the blood and is not involved in the process of thinking. This is true only of certain persons.