Sometimes I mistake this for a universe that cares.

Once I got married, I started working from an office. I found that having somewhere to go that isn't my house is mentally helpful: 'This is the place where I answer email and write blog posts,' and 'over there is the place where I do the dishes.

It's tempting to just write a comic called 'Everyone Mail Randall Munroe Twenty Bucks' - maybe it would work, and I could just close down the 'xkcd' store and sit on a beach and draw pictures and make snarky Reddit posts for the rest of my life.

The scholarly authorities on freezing to death seem to be, unsurprisingly, Canadians.

You don't become great by trying to be great. You become great by wanting to do something, and then doing it so hard that you become great in the process.

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.

There are so many adventures that you miss because you're waiting to think of a plan. To find them, look for tiny interesting choices. And remember that you are always making up the future as you go.