Never invest in a tech CEO that wears a suit.

Monopoly is the condition of every successful business.

If people were super-optimistic about technology there would be no reason to be pessimistic about the future.

If you can identify a delusional popular belief, you can find what lies hidden behind it: the contrarian truth.

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.

When you are starting a new business you don't want to go after giant markets. You want to go after small markets and take over those markets quickly.

We cannot take for granted that the future will be better, and that means we need to work to create it today.