A righteous man regardeth the life of his beast.

—The Bible

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

—Thomas Jefferson, 1790

Nature is immovable.

—Euripides, c. 415 BC

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

—Bernard de Fontenelle, 1686

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

—Lucretius, c. 57 BC

Men argue, nature acts.

—Voltaire, 1764

A garden must be looked into, and dressed as the body.

—George Herbert, 1640

Nature’s rules have no exceptions.

—Herbert Spencer, 1851

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

—Cicero, c. 45 BC

Nature never breaks her own laws.

—Leonardo da Vinci, c. 1500

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

—Ronald Reagan, 1965

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

—Horace, c. 25 BC

God writes the Gospel not in the Bible alone, but on trees and flowers and clouds and stars.

—Martin Luther