“Sympathy beyond the confines of man, that is, humanity to the lower animals, seems to be one of the latest moral acquisitions.”

Hence, a traveller should be a botanist, for in all views plants form the chief embellishment.

It is not the biggest, the brightest or the best that will survive, but those who adapt the quickest.

The world will not be inherited by the strongest, it will be inherited by those most able to change.

The world will not be inherited by the strongest, it will be inherited by those most able to change.

An agnostic would be the more correct description of my state of mind.

How paramount the future is to the present when one is surrounded by children.

How paramount the future is to the present when one is surrounded by children.

Freedom of thought is best promoted by the gradual illumination of men’s minds which follows from the advance of science.

The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic.

Great is the power of steady misrepresentation.

There is no fundamental difference between man and animals in their ability to feel pleasure and pain, happiness, and misery.

Man is descended from a hairy, tailed quadruped, probably arboreal in its habits.

I would give absolutely nothing for the theory of Natural Selection, if it requires miraculous additions at any one stage of descent.

In the struggle for survival, the fittest win out at the expense of their rivals because they succeed in adapting themselves best to their environment.

I am not apt to follow blindly the lead of other men.

Everything in nature is the result of fixed laws.

Use a sweet tongue, courtesy, and gentleness, and thou mayest manage to guide an elephant by a hair.

That’s the great secret of creativity. You treat ideas like cats: you make them follow you.

Man is, beyond dispute, the most excellent of created beings, and the vilest animal is a dog; but the sages agree that a grateful dog is better than an ungrateful man.

A female salmon lays three thousand eggs a year – and has yet to receive a Mother’s Day card from one of them.

Every puppy should have a boy.

The hippopotamus is a vegetarian and looks like a wall. Lions who eat only red meat are sleek and slim. Are nutritionists on the wrong track?

I carry around this little lion named Leo, which I’ve had for as long as I can remember.

The pastor ought to have two voices: one, for gathering the sheep; and another, for warding off and driving away wolves and thieves. The Scripture supplies him with the means of doing both.