Bottom line is, I didn't return to Apple to make a fortune. I've been very lucky in my life and already have one. When I was 25, my net worth was $100 million or so. I decided then that I wasn't going to let it ruin my life. There's no way you could ever spend it all, and I don't view wealth as something that validates my intelligence.
The Nobel Prize, so long regarded in our science as the highest reward a man's work can earn, must bring to its recipient a most solemn sense of his debt to his fellow scientists and those of the past.