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

After decades of hauling telescopes around in the back of vans and going up to high altitude locations and so forth, I did finally build an observatory, here on Sonoma mountain.

A recession is very bad for publicly traded companies, but it's the best time for startups. When you have massive layoffs, there's more competition for available jobs, which means that an entrepreneur can hire freelancers at a lower cost.

Luxury is feeling unrushed. It is designing a life that allows you to do what you want with high leverage, with many options, all while feeling unrushed.

The goal is not to simply eliminate the bad, which does nothing more than leave you with a vacuum, but to pursue and experience the best in the world.

Do not expect work to fill a void that non-work relationships and activities should Work is not all of life. Your co-workers shouldn't be your only friends. Schedule life and defend it just as you would an important business meeting. Never tell yourself "I'll just get it done this weekend."

Pacifists become militants. Freedom fighters become tyrants. Blessings become curses. Help becomes hindrance. More becomes less.