As you improve health in a society, population growth goes down. You know, I thought it was... before I learned about it, I thought it was paradoxical.

If you think you're a really good programmer... read Knuth's Art of Computer Programming... You should definitely send me a resume if you can read the whole thing.

Contrary to Piketty’s rentier hypothesis, I don’t see anyone on the [Forbes 400 list of the wealthiest Americans] whose ancestors bought a great parcel of land in 1780 and have been accumulating family wealth by collecting rents ever since. In America, that old money is long gone - through instability, inflation, taxes, philanthropy, and spending.

Whenever there is hard work to be done, I assign it to the laziest man as he is sure to find an easy way of doing it. Be lazy, think crazy.

The greatest thing you can do for your competition - hire poorly.

The need to communicate effectively with your customers will come up again and again.

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