I get more spam than anyone I know.

It's a nice reader, but there's nothing on the iPad I look at and say, 'Oh, I wish Microsoft had done it.'

It was really phenomenal [Warren Buffett donation]. It grew out of the friendship that we had and the fact that his plan to have his wife run the foundation and give things away changed when she tragically died.

Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority.

It's fine to celebrate success but it is more important to heed the lessons of failure.

Whenever you have multiple devices including multiple PCs that you want to share information with, it's always been a bit complicated.

(On being the world's richest man) I wish I wasn't ... There's nothing good that comes out of that. You get more visibility as a result of it.