If people think Nature is their friend, then they sure don’t need an enemy.

A righteous man regardeth the life of his beast.

I always think of nature as a great spectacle, somewhat resembling the opera.

Those things are better which are perfected by nature than those which are finished by art.

Animals hear about death for the first time when they die.

Animals are such agreeable friends—they ask no questions, they pass no criticisms.

Drive out nature with a pitchfork, and she will always come back. 

Men argue, nature acts.

Nature resolves everything into its component elements, but annihilates nothing.

Nature is the art of God.

A tree’s a tree. How many more do you need to look at?

We never are definitely right; we can only be sure we are wrong.

Nature’s rules have no exceptions.