The tree that would grow to heaven must send its roots to hell. Author: Friedrich Nietzsche Copy Quote More from Friedrich Nietzsche “Every deep thinker is more afraid of being understood than of being misundersto…” “Slow is the experience of all deep fountains: long have they to wait until they…” “Whoever does not believe himself always lies.” “One might be tempted to extol as an advance over Sophocles the radical tendency…”