What is crude oil?

Famous quotes containing the words crude and/or oil:

“The idealism of Berkeley is only a crude statement of the idealism of Jesus, and that again is a crude statement of the fact that all nature is the rapid efflux of goodness executing and organizing itself.”
—Ralph Waldo Emerson (1803–1882)

“Eat what you can get.
Where’s the salt
in this dump of a village?
And, Lucky Man,
what’s the use
of a salty thing
if there’s no oil in it?”
—Hla Stavhana (c. 50 A.D.)