The universe is probably littered with the one-planet graves of cultures which made the sensible economic decision that there's no good reason to go into space-each discovered, studied, and remembered by the ones who made the irrational decision.
Interpretation
The quote reflects on how societies may choose not to explore beyond their own planet, potentially leading to their cultural demise while those that dared to explore are remembered.
Randall Munroe's quote offers a profound commentary on the choices that civilizations make regarding exploration and development. It suggests that those societies which prioritize economic sensibility over the pursuit of knowledge and exploration may ultimately face extinction or obscurity, overshadowed by those who took the 'irrational' leap into space. This decision to explore, despite its risks, is portrayed as a crucial factor in cultural legacy and remembrance.
In practice
During a presentation about the future of humanity, one might cite this quote to emphasize the importance of space exploration.
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.
One of the nice things about the Internet is you can do a comic that's just for Ph.D. students, or for truck drivers, and you get to reach all of them without having to satisfy the other 99%.
A million people can call the mountains a fiction, yet it need not trouble you as you stand atop them.
News networks giving a greater voice to viewers because the social web is so popular are like a chef on the Titanic who, seeing the looming iceberg and fleeing customers, figures ice is the future and starts making snow cones.
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. You're curious and smart and bored, and all you see is the choice between working hard and slacking off. 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.
Things are rarely just crazy enough to work, but they're frequently just crazy enough to fail hilariously.
Try as you may, you cannot put the Lord in your debt. For every time you try to do His will, He simply pours out more blessings upon you.
The only theism worthy of our respect believes in God not because of the way the world is made but in spite of that. The only theism that is no less profound than the Buddha's atheism is that represented in the Bible by Job and Jeremiah.
No one knows what is going to happen in the next few minutes, and yet people still go forward, because they have trust, because they have faith.
The world doesn't need what women have, it needs what women are.
It is not to be forgotten that what we call rational grounds for our beliefs are often extremely irrational attempts to justify our instincts.
... the reason life works at all is that not everyone in your tribe is nuts on the same day. [pp. 65-66]
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