" He questioned if leadership success could be obtained by attaching oneself to a series of titled positions. If a person focused too much on a future that could not be controlled, he would become, Roosevelt acknowledged, too “careful, calculating, cautious in word and act.” Thereafter, he would jettison long-term career calculations and focus simply on whatever job opportunity came his way, assuming it might be his last. "
― Doris Kearns Goodwin , Leadership: In Turbulent Times