If 50 percent of your career is not filled with failure, you're not really successful.
“Why do I need succession planning? I'm very alert, I'm very vibrant. I have no intention to retire.”
“Cosmologists have attempted to account for the day-to-day laws you find in textbooks in terms of fundamental 'superlaws,' but the superlaws themselves must still be accepted as brute facts. So maybe the ultimate laws of nature will always be off-limits to science.”