Everything which is, is thought, but not conscious and individual thought. The human intelligence is but the consciousness of being. It is what I have formulated before: Everything is a symbol of a symbol, and a symbol of what? Of mind.
Entry for December 30, 1850, "The Journal Intime of Henri-Frédéric Amiel", Book by Henri-Frédéric Amiel, translated by Mary Augusta Ward, 1882.