Planning is not just guessing, it is harmful guessing, because it is a waste of time. All the time you spend doing your five year plan you can use to worry about tomorrow.

Nobody is an overnight success. Most overnight successes you see have been working at it for ten years.

If you can't figure out how to make money on three billion in revenue, when exactly will the profit magic be found? Ten billion? Fifty billion?

Before you know it, you're half-way done with your idea and you've accidentally learned how to do it too. In short, you start with little bit of something real and make it tick. Then you make it tock.

Planning is not just guessing, it is harmful guessing, because it is a waste of time. All the time you spend doing your five year plan you can use to worry about tomorrow.

There's nothing that will bring realism into your world as quickly as realizing that you're out of cash.

It took me some twenty-plus years to really learn how to program.