It's a belief which has dictated the writings of Machiavelli and Hobbes, Freud and Dawkins - that humans are fundamentally selfish and governed by self-interest. But Rutger Bregman has made a convincing case that this simply isn't true. Starting off with a real version of The Lord of the Flies - where humans stranded on a desert island were driven by kindness and common responsibility - we took a deeper look at human beings through the lens of the past.