Neil deGrasse Tyson Quotes

We are an intelligent species because we defined ourselves that way.

intelligence mankind

The larger our area of knowledge grows, so too grows our perimeter of ignorance.

science

There are more molecules of water in a cup of water than cups of water in all the world's oceans. This means that some molecules in every cup of water you drink passed through the kidneys of Genghis Khan, Napoleon, Abe Lincoln or any other historical person of your choosing. Same goes for air. There are more molecules of air in a single breath of air than there are breaths of air in Earth's entire atmosphere. Therefore, some molecules of air you inhale passed through the lungs of Billy the Kid, Joan of Arc, Beethoven, Socrates or any other historical person of your choosing.

atoms