Famous quotes containing the words natural and/or sources:
“A man must find his occasions in himself, it is true. The natural day is very calm, and will hardly reprove his indolence.”
—Henry David Thoreau (1817–1862)
“I count him a great man who inhabits a higher sphere of thought, into which other men rise with labor and difficulty; he has but to open his eyes to see things in a true light, and in large relations; whilst they must make painful corrections, and keep a vigilant eye on many sources of error.”
—Ralph Waldo Emerson (1803–1882)