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

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.

Monopoly is the condition of every successful business.

Romance only comes into existence where love is fatal, frowned upon and doomed by life itself.

In order to be open to creativity, one must have the capacity for constructive use of solitude. One must overcome the fear of being alone.

Hope – or perhaps delusion – was a flame that had stayed lit, even though its scorching light would hurt. It had refused to go out.

I was so thin I could slice bread with my shoulderblades, only I seldom had bread

The motive for our actions doesn't lie ahead of us. It's something behind us that we're trying to escape.

It is a great mistake, as we have already remarked, to be afraid of Him and to act in His presence like a timid and craven slave trembling with fright before his master.

thoughts are acrobats, agile and quite often untrustworthy.

The reason Donald Trump has supporters... I can go through the list for you. The issues are border/immigration, jobs, military, "make America great again..."

Abandonment doesn't have the sharp but dissipating sting of a slap. It's like a punch to the gut, bruising your skin and driving the precious air from your body.