Power is decaying because it has become easier to acquire, much harder to use, and thus easier to lose.

Wine making is also alchemy, not everything is controllable – you are dealing with nature. There's a savage element to all of this. A great winemaker is an artist.

Above all, great entrepreneurs have completed and undivided commitment to their company and doing what it takes to make it successful. Building any new major company is much harder than most realize, so if requires a very high pain threshold – great entrepreneurs are so tough mentally and emotionally.

I believe happiness is a consequence, not a goal. If you engage in the right activities that bring contentment, happiness will naturally follow. Viewing happiness as a goal makes it elusive; it's like chasing an illusory concept. Once you grasp it, it tends to dissipate—such is the nature of emotions.

The BitCoin general ledger is called the block chain. It is remarkably secure. To break into the chain, you would have to amass 25,000 of the world's fastest supercomputers. That seems completely infeasible.