Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers

by Timothy Ferriss

Must-watch documentary The Gatekeepers (2012) features interviews with all of the living heads of the Shin Bet, the Israeli security agency, who talk frankly about life, war, and peace. The motto of the Shin Bet is “Magen veLo Yera’e,” literally “the unseen shield,” or “defender who shall not be seen.”