"[F]oundations like ours have the freedom to test out ideas that might not otherwise get tried, some of which may lead to breakthroughs," Bill and Melinda Gates wrote in their namesake foundation’s annual letter for 2020. "As always, Warren Buffett—a dear friend and longtime source of great advice—put it a little more colorfully," they said. Here’s the advice Buffett gave when he promised the bulk of his fortune to the Bill and Melinda Gates Foundation.

Source: www.cnbc.com