There are two numbers you need to know about climate change. The first is 51 billion. The other is zero. Fifty-one billion is how many tons of greenh… - Bill Gates

We are in the end game, I'm optimistic that we will be successful. I'm personally very committed.

Within 10 years, AI will replace many doctors and teachers—humans won’t be needed ‘for most things’. It’s very profound and even a little bit scary — because it’s happening very quickly, and there is no upper bound,.

As soon as I learned about this miracle of chip making I thought, what is the key missing element? ... I'd been working on software so I decided that maybe that was what was necessary to bring all this power to life. I talked about that with a friend, Paul Allen, and we kept saying, "What can we do? Can we start our own software company?" It seemed impossible at the time because software was not done by independent companies. The companies that built the computers — IBM and DEC — they did all the software. And when we called them up and said, "We would like to do an operating system," they said, "who are you?" to which we said, "we're high-school students." That was s, uh — that was the end of that conversation.