Bill Gates

The world today has 6.8 billion people. That's heading up to about nine billion. Now if we do a really great job on new vaccines, health care & reproductive health services, we could LOWER that by perhaps 10 or 15 percent.

Life is not fair, get used to it

When you have money in hand,only you forget who are you .But when you do not have any money in your hand,the whole world forget who you are.It's life.

I really had a lot of dreams when I was a kid, and I think a great deal of that grew out of the fact that I had a chance to read a lot.

If you give people tools, and they use their natural abilities and their curiosity, they will develop things in ways that will surprise you very much beyond what you might have expected.

Measuring programming progress by lines of code is like measuring aircraft building progress by weight.

DNA is like a computer program but far, far more advanced than any software ever created.

In terms of doing things I take a fairly scientific approach to why things happen and how they happen. I don't know if there's a god or not...

Success is a lousy teacher. It seduces smart people into thinking they can't lose.

The future of advertising is the Internet.

Me and my dad are the biggest promoters of an estate tax in the US. It's not a popular position.

OK, I have a nickname. My family calls me 'Trey' because I'm William the third. My dad has the same name, which is always confusing because my dad is well known, and I'm also known.

People are always coming up to me and saying, 'I heard your dad's speech, and it's really great.' And they'll mention some place I didn't even know my dad was going to.

When I was growing up, my parents were almost involved in various volunteer things. My dad was head of Planned Parenthood. And it was very controversial to be involved with that.

People should just buy a CD and rip it. You are legal then.

Although I don't have a prescription for what others should do, I know I have been very fortunate and feel a responsibility to give back to society in a very significant way.

By the time we see that climate change is really bad, your ability to fix it is extremely limited... The carbon gets up there, but the heating effect is delayed. And then the effect of that heat on the species and ecosystem is delayed. That means that even when you turn virtuous, things are actually going to get worse for quite a while.

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