Some air you inhale was exhaled by Cleopatra.

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.

When you're a hammer (as the saying goes), all your problems look like nails. If you're a meteorite expert pondering the sudden extinction of boatloads of species, you'll want to say an impact did it. If you're an igneous petrologist, volcanoes did it. If you're into spaceborne bioclouds, an interstellar virus did it. If you're a hypernova expert, gamma rays did it.

If there were biologists among the extremophiles organisms that live in extreme conditions, they would surely classify themselves as normal and any life that thrived in room temperature as an extremophile.

With one linear centimeter of your lower colon there lives and works more bacteria (about 100 billion) that all humans who have ever been born. Yet many people continue to assert that it is we who are in charge of the world

If you don't question you're stuck within a pre-existing parameters of knowledge. Questions are what take you outside of those parameters.

We didn't build the interstate system to connect New York to Los Angeles because the West Coast was a priority. No, we webbed the highways so people can go to multiple places and invent ways of doing things not thought of by the persons building the roads.