Or Clarke's first law -- When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that someth

Or Clarke's first law -- 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. https://en.wikipedia.org/wiki/Clarke%27s_three_laws https://en.wikipedia.org/wiki/Clarke%27s_three_laws