@BillGates: Everything I’ve learned about Leonardo da Vinci leads me to believe he was one of the most innovative thinkers ever. Here’s what he’s taught me about art, optimism, and innovation. https://t.co/9SHBSxmEBz

http://twitter.com/BillGates

Everything I’ve learned about Leonardo da Vinci leads me to believe he was one of the most innovative thinkers ever. Here’s what he’s taught me about art, optimism, and innovation. https://t.co/9SHBSxmEBz

— Bill Gates (@BillGates) February 28, 2019