Partial quotes aren't helpful. The full greeting and response "Do what thou wilt shall be the whole of the Law" "Love is the Law. Love under Will."

Crowleys' Nietszchean thesis was that those who understood their True Will (like Nietzsches' Ubermensch) were permitted to do as they pleased, regardless of others. The difference being that while the German philosopher never considered himself to be the Overman, Crowley believed he understood his True Will. Thus he spent his life pursuing his own pleasure, exploiting everyone else he dealt with either sexually or financially, and occasionaly both.

This, and his clear lack of empathy, mark hm as the same breed of high-function psychopath to be found in CEOs' offices, boardrooms, churches and governments across the world.