In low-income countries, getting to a health post is hard. It's very expensive.

Well private money can take risks in a way that government money often isn't willing to.

Money has always been in politics. And I'm not sure you'd want money to be completely out of politics.

There's no such thing as going to a soapbox and saying, 'The government's corrupt,' and not having the intelligence service see your face. In the digital world, that can be done.

Countries which receive aid do graduate. Within a generation, Korea went from being a big recipient to being a big aid donor. China used to get quite a bit of aid; now it's aid-neutral.

The voice of beauty speaks softly; it creeps only into the most fully awakened souls.

The eyes are the windows of the soul.

I didn't used to wear a watch. Now I have a SPOT watch, which I wear all the time.

Those who were seen dancing were thought to be insane by those who could not hear the music.

The world at large is less inequitable today than at any time in history. Number of people in abject poverty, as a percentage, is at all-time low.

A morning-glory at my window satisfies me more than the metaphysics of books.

If African farmers can use improved seeds and better practices to grow more crops and get them to market, then millions of families can earn themselves a better living and a better life.

I never took a day off in my twenties. Not one. And I'm still fanatical, but now I'm a little less fanatical.

Everyone has a plan until they get punched in the mouth.

Concentration comes out of a combination of confidence and hunger.

Persevere and get it done.

Our whole life is solving puzzles.

Perseverance, secret of all triumphs.

It’s not that I’m so smart, it’s just that I stay with problems longer.

Not being able to govern events, I govern myself.