Bill Gates has issued some pretty big warnings in recent years — about the next pandemic or avoiding a "climate disaster" — but the billionaire says he's actually very optimistic about the future.

Despite the optimism, Gates acknowledges disruptions. He aligns partly with Microsoft AI CEO Mustafa Suleyman, who in his 2023 book “The Coming Wave” warns of AI’s “hugely destabilizing ...

For all the complaints about the Gates Foundation, Gates himself seems to take the long view. And his optimism about the ability of other philanthropists to pick up where he has left off is helpful.