But at my back I always hear Time’s winged chariot hurrying near. (Andrew Marvell)

I have not failed. I’ve just found 10,000 ways that won’t work. (Thomas Alva Edison)

Victory goes to the player who makes the next-to-last mistake. (Chessmaster Savielly Grigorievitch Tartakower)

Never interrupt your enemy when he is making a mistake. (Napoleon Bonaparte)