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

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

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

Nature is immovable.

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

Nature is the art of God.

Nature never breaks her own laws.

Nature’s rules have no exceptions.

When you have only two pennies left in the world, buy a loaf of bread with one, and a lily with the other.

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

There is not a sprig of grass that shoots uninteresting to me.

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

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