The unhappy theory of business ethics is this: you have a fiduciary responsibility to maximize profit. Period. To do anything other than that is to cheat your investors. And in a competitive world, you don't have much wiggle room here.

Mostly, the best way to be the next Mark Zuckerberg is to make difficult choices.

Don't waste time looking for a better pencil: learn to write better.

A well-defined backup plan is sabotage waiting to happen. Why push through the dip, why take the risk, why blow it all when there's the comfortable alternative instead? The people who break through usually have nothing to lose, and they almost never have a backup plan.

If you try to delight the undelightable, you've made yourself miserable for no reason.

Reject the tyranny of picked. Pick yourself.

The desire that we have to do something that’s never been done before means that the people who are around you generally will not encourage you to do it…if they were encouraging you to do it, then other people would be doing it already and it wouldn’t be unique.