Authors:

The stock market and the gridiron and the battlefield aren't as tidy as the chessboard, but in all of them, a single, simple rule holds true: make good decisions and you'll succeed; make bad ones and you'll fail.

Garry Kasparov (2010). “How Life Imitates Chess: Making the Right Moves, from the Board to the Boardroom”, p.11, Bloomsbury Publishing USA
The stock market and the gridiron and the battlefield aren't as tidy as the chessboard, but in all of them, a single, simple rule holds true: make good decisions and you'll succeed; make bad ones and you'll fail.