Space is about 100 kilometers away. That’s far away—I wouldn’t want to climb a ladder to get there—but it isn’t that far away. If you’re in Sacramento, Seattle, Canberra, Kolkata, Hyderabad, Phnom Penh, Cairo, Beijing, central Japan, central Sri Lanka, or Portland, space is closer than the sea.

I never trust anyone who's more excited about success than about doing the thing they want to be successful at.

I read comics and I did science, and never really put them together until I accidentally found myself in the middle of one.

Things are rarely just crazy enough to work, but they're frequently just crazy enough to fail hilariously.

Take wrong turns. Talk to strangers. Open unmarked doors. And if you see a group of people in a field, go find out what they are doing. Do things without always knowing how they'll turn out.

I think the really cool and compelling thing about math and physics is that it opens up entry to all these hypotheticals - or at least, it gives you the language to talk about them. But at the same time, if a scenario is completely disconnected from reality, it's not all that interesting.

Our brains have just one scale, and we resize our experiences to fit.