Famous quotes containing the words natural and/or sources:
“They are the natural highways of all nations.”
—Henry David Thoreau (1817–1862)
“No drug, not even alcohol, causes the fundamental ills of society. If we’re looking for the sources of our troubles, we shouldn’t test people for drugs, we should test them for stupidity, ignorance, greed and love of power.”
—P.J. (Patrick Jake)