Bill Gates
According to the former Microsoft CEO, the elder Gates once advised him to 'Invest in things - even if you're not good at them'. Also, Gates adds that his father encouraged him to "to go out for a lot of different sports like swimming, football, soccer. "At the time I thought it was kind of pointless, but it ended up really exposing me to leadership opportunities and showing me that I wasn't good at a lot of things," he says.