1,151 Quotes by Neil deGrasse Tyson

People who believe they are ignorant of nothing have neither looked for, nor stumbled upon, the boundary between what is known and unknown in the universe. What we do know, and what we can assert without further hesitation, is that the universe had a beginning.

However, every advance in our knowledge of the cosmos has revealed that we live on a cosmic speck of dust, orbiting a mediocre star in the far suburbs of a common sort of galaxy, among a hundred billion galaxies in the universe. The news of our cosmic unimportance triggers impressive defense mechanisms in the human psyche.

Curiously, light-loving green plants reject the Sun’s green light, reflecting it back at you, which is why they look green.

What we know is that the matter we have come to love in the universe – the stuff of stars, planets, and life – is only a light frosting on the cosmic cake, modest buoys afloat in a vast cosmic ocean of something that looks like nothing.

Personally, I am quite comfortable with chemicals, anywhere in the universe. My favorite stars, as well as my best friends, are all made of them.

I didn’t even know there were stars to look at to not see. If you don’t know that they’re there, you don’t know that you’re missing them.

Don’t know if it’s good or bad that a Google search on “Big Bang Theory” lists the sitcom before the origin of the Universe.

We do not simply live in this universe. The universe lives within us.

Practically every food you buy in a store for consumption by humans is genetically modified food. There are no wild, seedless watermelons. There’s no wild cows.