To learn that it's easier to be told by others what to think and believe than it is to think for yourself.
You could also ask who’s in charge. Lots of people think, well, we’re humans; we’re the most intelligent and accomplished species; we’re in charge. Bacteria may have a different outlook: more bacteria...
The good thing about science is that it's true whether or not you believe in it.
We conquer the Independence Day aliens by having a Macintosh laptop computer upload a software virus to the mothership (which happens to be one-fifth the mass of the Moon), thus disarming its protecti...
There is no greater education than one that is self-driven.
A bullet fired level from a gun will hit ground at same time as a bullet dropped from the same height. Do the Physics.
We have one collective hope: the Earth And yet, uncounted people remain hopeless, famine and calamity abound Sufferers hurl themselves into the arms of war; people kill and get killed in the name of s...
The less evidence we have for what we believe is certain, the more violently we defend beliefs against those who don't agree.
It's okay not to know all the answers. It's better to admit our ignorance than to believe answers that might be wrong. Pretending to know everything closes the door to finding out what's already there...
Private enterprise can never lead a space frontier. It's not possible because a space frontier is expensive, it has unknown risks and it has unquantified risks.
The urge to want some bit of information to be true often clouds our ability to assess why that information may be false.
Science, enabled by engineering, empowered by NASA, tells us not only that we are in the universe but that the universe is in us. And for me, that sense of belonging elevates, not denigrates, the ego.
Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.
Doing what has never been done before is intellectually seductive, whether or not we deem it practical.
I fear living a life where I could have accomplished something and didn't. That's what I fear. I don't fear death.
Unlike what you may be told in other sectors of life, when observing the universe, size does matter, which often leads to polite ‘telescope envy’ at gatherings of amateur astronomers.
There’s a fascinating frailty of the human mind that psychologists know all about, called argument from ignorance. This is how it goes. Remember what the U stands for in UFO? You see lights flashing i...
Space enthusiasts are the most susceptible demographic to delusion that I have ever seen.
When asked about which scientist he'd like to meet, Neil deGrasse Tyson said, "Isaac Newton. No question about it. The smartest person ever to walk the face of this earth. The man was connected to the...
Allow intelligent design into science textbooks, lecture halls, and laboratories, and the cost to the frontier of scientific discovery—the frontier that drives the economies of the future—would be inc...