He 's ruthless only because of his ideals. Unfortunately he doesn't succeed. The thing fails and gets out of hand and takes charge of him. Idealism is the only excuse he could have and it's a great excuse.
“I decided to teach because I think that any person who studies philosophy has to be involved actively.”
“I am not generous about telling people who I am and what I like to do because it's my life and it only belongs to me and my friends and family.”