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Day: December 10, 2018

21 Lessons for the 21st Century

A guide to worrying in the 21stcentury By Bill Gates  | December 3, 2018 The human mind wants to worry. This is not necessarily a bad thing—after all, if a bear is stalking you, worrying about it may well save your life. Although most of us don’t need to lose too much sleep over bears these […]