Muhammad Ali - he was a magnificent fighter and he was an icon... Every head must bow, every knee must bend, every tongue must confess, thou art the greatest, the greatest of all time, Muhammad, Muhammad Ali.
“I feel like there is this weird thing where celebrity involvement in political campaigns kind of goes together like peanut butter and chocolate. Sometimes it's good, sometimes it's bad.”
“A permanent base on Mars would have a number of advantages beyond being a bonanza for planetary science and geology. If, as some evidence suggests, exotic micro-organisms have arisen independently of terrestrial life, studying them could revolutionise biology, medicine and biotechnology.”