The story of humans is the story of ideas that shine light into dark corners.

We, all of us, are what happens when a primordial mixture of hydrogen and helium evolves for so long that it begins to ask where it came from.

Ultimately, we actually all belong to only one tribe, to Earthlings.

SETI is a mirror, a mirror that can show ourselves from an extraordinary perspective and can help to trivialize the differences among us.

We don't know how to identify intelligence over interstellar distances, so what we do instead is use technology for a proxy.

Earlier generations of stars in the galaxy could well have had planets. But really, there was only hydrogen and helium to work with, so they'd all be gas giants and not small, rocky planets.

Remember what you always told me.” “Hold on tight and fight as hard as you can.

People used to recognize it as mood.Science has revealed it as cannabinoids.When you feel sad, just do long running.Then you will know that even mood can be governed.

Estragon: And if he doesn't come?Vladimir: (after a moment of bewilderment) We'll see when the time comes.

The mathematician is fascinated with the marvelous beauty of the forms he constructs, and in their beauty he finds everlasting truth.

It's not an idea until you write it down.

The inmates are ghosts whose dreams have been murdered.

If you get frustrated and unhappy with yourself, then there is going to be a problem. You have to laugh at yourself and laugh at your mechanism that is out of gear.

Story is a yearning meeting an obstacle.

When I found I had given birth to a human wreckage, to a child that was an imbecile, my heart was broken.

What is concerning is that work in the informal sector is characterised by vulnerability, low wages and no rights. So it is not the way that we lift people out of poverty in Africa.