Seemingly unrelated [things] that are in fact really related, that's the stuff I like to talk about. Like dancing, language learning, swimming, three-pointers.

Exercise is overrated.

There are two components that are fundamental to enjoy life and feel good about yourself: continual learning and service.

Excitement is the more practical synonym for happiness, and it is precisely what you should strive to chase. It is the cure-all.

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.

Being selective-doing less-is the path of the productive. Focus on the important few and ignore the rest.

It's very easy to confuse confident motion with being productive - and they're not the same thing. Productive to me means measurable outcomes that apply to my most important to-dos that positively affect my life. That's it.