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

—Lucretius, c. 57 BC

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

—Richard P. Feynman, 1965

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

—Ronald Reagan, 1965

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

—Bernard de Fontenelle, 1686

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

—Martin Luther

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

—Arthur Schopenhauer, 1819

Nature is immovable.

—Euripides, c. 415 BC