The first colony on Mars is not going to be built by a private company. How are you going to make money? You’re not.
Space exploration is a force of nature unto itself that no other force in society can rival.
Any astrophysicist does not feel small looking up at the universe; we feel large.
If each dead person became a ghost, there’d be more than 100 billion of them haunting us all. Creepy, but cool.
Follow the evidence wherever it leads, and question everything.
Everyone has all different experiences in school. I just know that throughout my life, at no time did any teacher ever point to me and say, hey. He’ll go far.
Everything we do, every thought we’ve ever had, is produced by the human brain. But exactly how it operates remains one of the biggest unsolved mysteries, and it seems the more we probe its secrets, the more surprises we find.
Humans aren’t as good as we should be in our capacity to empathize with feelings and thoughts of others, be they humans or other animals on Earth.
In five billion years, the sun will expand and engulf our orbit as the charred ember that was once Earth vaporizes. Have a nice day.
What would aliens say when told earthlings shift clocks twice a year to fool themselves into thinking there’s more sunlight?
I know of no time in human history where ignorance was better than knowledge.
Even with all our technology and the inventions that make modern life so much easier than it once was, it takes just one big natural disaster to wipe all that away and remind us that, here on Earth, we’re still at the mercy of nature.
When I reach to the edge of the universe, I do so knowing that along some paths of cosmic discovery, there are times when, at least for now, one must be content to love the questions themselves.
The day that you stop looking – because you’re content God did it – I don’t need you in the lab. You’re useless on the frontier of understanding the nature of the world.
Dreams about the future are always filled with gadgets.
The day we stop exploring is the day we commit ourselves to live in a stagnant world, devoid of curiosity, empty of dreams.
The very nature of science is discoveries, and the best of those discoveries are the ones you don’t expect.
If you’re scientifically literate, the world looks very different to you, and that understanding empowers you.
We are star dust in the highest exalted way, called by the universe, reaching out to the universe.
I wonder if, in fact, we have been observed by aliens and upon close examination of human conduct and human behavior they have concluded that there is no sign of intelligent life on Earth.