Game design requires knowing what to keep and what to discard; not all good ideas fit together.

When buying a garden hose， an extension cord， or a ladder， get one substantially longer than you think you need. It’ll be the right size.

In computer science, we stand on the shoulders of giants, but we must also be willing to question their assumptions.

Leadership is about inspiring people to do things they never thought they could.

The best businesses don't just sell products; they solve problems.