Software suppliers are trying to make their software packages more 'user-friendly'... Their best approach so far has been to take all the old brochures and stamp the words 'user-friendly' on the cover.

The world won't care about your self-esteem. The world will expect you to accomplish something BEFORE you feel good about yourself.

I regret being the richest man in the world because that position attracts undeserved publicity.

Every three years, we have to go to the governments and say, okay, you know you're saving millions of lives and even though your budgets are tight, helping Africa avoid this disaster really is a priority.

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.

I remember thinking quite logically that I didn't want to spoil my children with wealth and so that I would create a foundation, but not knowing exactly what it would focus on.

I hope someday what people can do with their lives depends on their talents and how hard they are willing to work, rather than on where they happen to be born.