There's a wide range of sales ability: there are many gradations between novices, experts, and masters. There are even sales grandmasters. If you don't know any grandmasters, it's not because you haven't encountered them, but rather because their art is hidden in plain sight.

I'm in favor of free trade, but I think if you had to make a choice between having technological progress versus free trade, you had one or the other, you should always pick technological progress. I think it's an incredibly important variable for creating more prosperity.

Twitter is hard to evaluate. They have a lot of potential. It's a horribly mismanaged company — probably a lot of pot-smoking going on there. But it's such a solid franchise it may even work with all that.

I think in my twenties I tended to think of all people as sort of more or less alike. In now think that people are really different in all these subtle ways that are very important.

The most fundamental reason that even businesspeople underestimate the importance of sales is the systematic effort to hide it at every level of every field in a world secretly driven by it.

Monopoly is the condition of every successful business.

Luck is like an atheistic word for God.