The 35-year-old actor has to keep an eye on himself to ensure he doesn't get greedy or obsessing about himself and his own brilliance, reported Contactmusic.
"There's no point thinking, 'Well my life's certainly worked out, I've got all the answers.' It would be wrong for me to say that I don't get seduced by certain things. That things don't become tempting. Like, you know, money. How much money does one need? Let's start with that, that's a pretty good one," Fassbender said.
"So that, you know. Greed, things like that. Vanity, believing the hype. You have to keep an eye on those things," he added.