> Arguing solely on the basis that it hasn't happened to date is like a gambler asserting he was 'right' when he bets the farm in Roulette and wins.

Roulette is a finite game. Life is an infinite game.

The way I think of it: a world in which the apocalypse happens looks just like one in which it doesn’t, right up to that point where it starts to fall apart.

Or in joke form: an optimist falls out of a skyscraper window. As he plummets past the 10th floor he thinks: so far, so good!