1. iconoclast, image breaker -- (a destroyer of images used in religious worship)
2. iconoclast -- (someone who attacks cherished ideas or traditional institutions)
1.
Nietzsche was not an iconoclast from choice. - from Thus Spake Zarathustra by Friedrich Nietzsche
2.
Nietzsche was not an iconoclast from predilection. - from Thus Spake Zarathustra by Friedrich Nietzsche