You need chaos in your soul to give birth to a dancing star - Friedrich Nietzsche
Ah, Nietzsche. Always so fashionable, always so little understood and even so little read, although the young man I vaguely remember being enjoyed Beyond Good and Evil, in which he argues that the good person is not the opposite of the evil person; good and evil, rather, are different expressions of the same nature, which bubble to the surface by complex and nuanced currents of potentiality and choice.
Work in progress (as, indeed, is all Halcyon's work)
Value pluralism (Isaiah Berlin) is linked to fallibility since there is no way to avoid conflict between different values and aspirations - George Soros, The Crisis of Global Capitalism: Open Society Endangered - p157