Day 2 companies make high-quality decisions, but they make high-quality decisions slowly. To keep the energy and dynamism of Day 1, you have to somehow make high-quality, high-velocity decisions.

Topology is the study of the properties of a figure that are unchanged by any deformation.

Never underestimate the power of small, consistent improvements.

"The only thing to do with good advice is to pass it on. It is never of any use to oneself."

I don’t run out of material. I run out of time.

A penny earned is a penny saved.