In a world of scarce resources, globalization without new technology is unsustainable.

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.

Truly it is a blessed thing to love on earth as we hope to love in Heaven, and to begin that friendship here which is to endure for ever there.

Where justice if negotiable, filthiness becomes delectable

...nuclear threats and nuclear weapons are the last argument of weak, stressed and irresponsible politicians. People must act very quicky to stop the movement to nuclear war.

The more I learn about the evolution of ideas, the more I have become aware that I am simply an unrepentant Old Whig-with the stress on the "old.

Resting on your laurels is as dangerous as resting when you are walking in the snow. You doze off and die in your sleep.

I am admonished in many ways that time is pushing me inexorably along. I am approaching the threshold of age; in 1977 I shall be 142.

Constant criticism can wear one down and weaken knees.

Yeah, to bring families together I need to go away.

It is doubling now every two years. Doubling every two years means multiplying by 1,000 in 20 years. At that rate we'll meet 100 percent of our energy needs in 20 years.

Many come to bring their clothes to church rather than themselves.