It’s short-sighted to think ads won’t one day end up wherever humans are - even the moon.

The limits on your enlightenment come not from the age you stopped going to school but from the age you stopped being curious.

There is no greater education than one that is self-driven.

This fear factor, this war driver is a very strong one and it's been with the species ever since the beginning and it motivated the Great Wall of China. War can be aggressive or defensive, right? So it motivated the Great Wall of China. Our space program was reactive to Russia.

Politics will take whatever shape it needs for people to get elected. But at the end of the day, the population remains and that's really, as an educator, who I care about.

Feeling a little small? Well, in the context of the cosmos, we are small.

WhenIWasYourAge: People were never "living with their disease." We cured them. Or they died from it.