“Animals, whom we have made our slaves, we do not like to consider our equal.”

The normal food of man is vegetable.

Some call it evolution, And others call it God.

Not one change of species into another is on record, we cannot prove that a single species has been changed.

If the misery of the poor be caused not by the laws of nature, but by our institutions, great is our sin.

I never gave up Christianity until I was forty years of age.

The willing horse is always overworked.

We are optimists, until we are not.

False facts are highly injurious to the progress of science.

I have at least, as I hope, done good service in aiding to overthrow the dogma of separate creations.

I long to set foot where no man has trod before.

We are not here concerned with hopes or fears, only with truth as far as our reason permits us to discover it.

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.

You can eat an elephant one bit at a time.

Why don’t they just make mouse-flavored cat food?

Major North and myself went out in advance of the command several miles and killed a number of buffaloes.

No matter who you are, we’re creatures of habit. The better your habits are, the better they will be in pressure situations.

Never fight with a pig. You will get dirty, and the pig will love it.”

A wicked wife, a false friend, a saucy servant and living in a house with a serpent in it are nothing but death.

I’m human, you’re human. So they said, but inside we’re all animals.

Men, like animals, naturally multiply in proportion to the means of their subsistence.