Writers must therefore constantly ask: what am I trying to say? Surprisingly often they don’t know.

Inventors often have to persist at their tinkering for a long time in the absence of public demand, because early models perform too poorly to be useful.

The practice of choosing creativity persists. It’s a commitment to a process, not simply the next outcome on the list.

Leaders must possess the humility to admit and own mistakes and learn from them.

Don’t get hung up on your views of how things “should” be because you will miss out on learning how they really are. It’s important not to let our biases stand in the way of our objectivity. To get good results, we need to be analytical rather than emotional.

The price God paid for you was the life of His only begotten Son, which means He values you as much as He values Jesus.

Blessed is the man who gets into God’s secrets and works under God, doing God’s work God’s way.

There is great power in the idea of taking responsibility and just doing it—making it happen.

You become undefeatable in the world by what you do when no one else is watching.

This Build-Measure-Learn feedback loop is at the core of the Lean Startup model. Instead, we need to focus our energies on minimizing the total time through this feedback loop.