"When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is

"When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong." - Clarke, A.C. This guy isn't even a distinguished scientist. He's a just a bitter investor that lost money to a snake-oil start-up, and has a penchant for logical fallacies.