Tesla CEO Elon Musk has long captured attention with his big promises, from the Hyperloop high-speed transportation system Musk claimed would revolutionize the way we travel to a recent comment about how Tesla owners can one day make money with their autonomously driven cars,

If he’d never given away a dime or sold a share of the software giant, Gates would have nearly 10 times more leftover to give away.

The picture of the world’s richest man killing the world’s poorest children is not a pretty one,” the Microsoft mogul said bluntly.