Success breeds complacency. Complacency breeds failure. Only the paranoid survive.
-- Andrew Stephen "Andy" Grove (born András István Gróf; 2 September 1936 - 21 March 2016), Hungarian-born American businessman, engineer, and author, former president, CEO, and chairman of the board of Intel Corporation, attributed in: William J. Baumol et al (2007) Good Capitalism, Bad Capitalism, and the Economics of Growth. p. 228