Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel.

To speak well of a base man is much the same as speaking ill of a good man.

A bird is an instrument working according to mathematical law, which instrument it is within the capacity of man to reproduce with all its movements.

There are three classes of people: those who see, those who see when they are shown, those who do not see.

Test knowledge through experience, be prepared to make mistakes, and be persistent about it.

The eye, the window of the soul, is the chief means whereby the understanding can most fully and abundantly appreciate the infinite works of Nature; and the ear is second.

Let not your rage or malice destroy a life.