One can steal ideas, but no one can steal execution or passion.

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.

Short, sweet, and to the point. Clear writing, and therefore clear commands, comes from clear thinking. Think simple.

Poisonous people do not deserve your time. To think otherwise is masochistic.

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

This is not my phrase, but if you're stuck in the past, then you're depressed. If you're stuck in the future, then you're anxious.

Focus on impact, not approval. If you believe you can change the world, which I hope you do, do what you believe is right and expect resistance and expect attackers. Keep calm and carry on!