Justine Musk, a writer and the ex-wife of tech mogul Elon Musk – the richest person in the world – offered a rare glimpse into the personal philosophy that shaped one of the world’s most ambitious entrepreneurs. As the mother of Elon’s five children and someone who shared years of her life with him, Justine had an intimate and revealing perspective on the man behind Tesla, SpaceX and Neuralink. Speaking at a TEDx talk in 2014, she shared a key lesson she observed during their marriage – a lesson
