"We want to strike a balance so they have the freedom to do anything, but not a lot of money showered on them so that they can go out and do nothing," said Mr Gates.
He was asked if he was going to make his children billionaires. "Nope, they won't have anything like that," he said.
He channels his fortune through the Bill and Melinda Gates Foundation and has already donated $28 billion, mainly towards improving health care and education and alleviating poverty in the developing world.
Jennifer and Melinda Gates. Photo / Getty Images
The couple have modelled themselves on one of Mr Gates's mentors, Warren Buffett, the investor, who has also emphasised leaving wealth to charity not children. "You've got to make sure they have a sense of their own ability and what they're going to do," Mr Gates said.