I do tend to think that things that have incredibly long time horizons often do involve market failures.

Today's 'best practices' lead to dead ends; the best paths are new and untried.

The most contrarian thing of all is not to oppose the crowd but to think for yourself.

I no longer believe that freedom and democracy are compatible.

The most successful businesses have an idea for the future that's very different from the present.

I do think Bitcoin is the first [encrypted money] that has the potential to do something like change the world.

Every business is successful exactly to the extent that it does something others cannot.

In the '30s, the Keynesian stuff worked at least in the sense that you could print money without inflation because there was all this productivity growth happening. That's not going to work today.

Under perfect competition, in the long run no company makes an economic profit.

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.

Of the six people who started PayPal, four had built bombs in high school.

History – An account mostly false, of events unimportant, which are brought about by rulers mostly knaves, and soldiers mostly fools.

Your mind, while blessed with permanent memory, is cursed with lousy recall. Written goals provide clarity. By documenting your dreams, you must think about the process of achieving them.

Conquer the angry man by love.

I'd read things, like people criticizing me. But no one likes to read stuff about that, and probably the main thing that was getting to me was me mum's illness.

When you are equal with another person, the problem of integration doesn't even arise.

Historically, black music has influenced other cultures and other genres and created other genres.

If anyone tells you someone has changed their character; don't believe it.

I'll be merry and free, I'll be sad for nae-body; If nae-body cares for me, I'll care for nae-body.

Photography's history is bound to the mistake, to the accident.

The feeling of accomplishment welled up inside of me, three Olympic gold medals. I knew that was something nobody could ever take away from me, ever.