From your replies and the downvote, it's clear that I failed to make myself clear. Here was the flow of the conversation:

I said "Every Sauron considers himself a Gandalf". Eugine_Nier pointed out that "Gandalf explicitly refuses the ring for fear he would find it useful and thus be corrupted by it." Sauron knew that Gandalf did this (IIRC), so I grant that Sauron wouldn't think that he's like Gandalf in this respect. So, I said, maybe Sauron thinks of himself like Gandalf (ie, working for the greater good), except that he (Sauron) i... (read more)