Alternating periods of activity and rest is necessary to survive, let alone thrive. Capacity, interest, and mental endurance all wax and wane. Plan accordingly.

If you see distraction externally, you end up creating an internally distracted state.

Companies that start by redesigning the economics of an industry often finish by redesigning the whole industry-and owning it.

I work hard, but in spurts.

Money is multiplied in practical value depending on the number of W's you control in your life: what you do, when you do it, where you do it, and with whom you do it.

A goal without real consequences is wishful thinking. Good follow-through doesn't depend on the right intentions. It depends on the right incentives.

Language learning deserves special mention. It is, bar none, the best thing you can do to hone clear thinking.