The nice thing about asteroids is that once you've found them, and once you have a good solid orbit on them, you can predict a hundred years ahead of time whether there is a likelihood of an impact with Earth.

One thing I can't prove, but I firmly believe is that two men were put on this earth - one threw a punch and a third guy came over and watched. And that happened before anybody ever threw or kicked a ball.

On a macro level, four billion people on Earth make less than four dollars a day.

Our Earth is talking to us, and we must listen to it and decipher its message if we want to survive.

The timelessness of a concept has to be woven into the running warp of dying time, vertical power has to be wedded to the horizontal earth.

You were not put on this earth to do everything to be sexually appealing to people.

Men are weak now, and yet they transform the Earth's surface. In millions of years, their might will increase to the extent that they will change the surface of the Earth, its oceans, the atmosphere, and themselves.

Only around 2% of the earth's surface is cultivatable land.

The United States is the most powerful nation on Earth and it just can't walk away from the Middle East and central Asia and the Horn of Africa.

Shortly after the 2004 Indonesian earthquake, I read that the earthquake had affected the rotation of the earth, shortening the length of our 24-hour day. Even though the change was extremely slight - only a few microseconds - I found the idea incredibly haunting.

Honestly, for a big city, London is by far my favourite city on earth, and I'm not just saying that!

I'm going to be the next king of the Earth.

We humans are the greatest of earth's parasites.

We are not primarily put on this earth to see through one another, but to see one another through.

I think Jesus is divine love manifest on Earth, as it comes through the community of Christians.

There is nobody on earth who could totally impersonate Jack Lewis, because you may look like him from the front or from the side, you may sound like him, but there'll be all sorts of aspects of you that will be very dissimilar to the man.

Bugs are a great pest in Colorado. They come out of the earth, infest the wooden walls, and cannot be got rid of by any amount of cleanliness. Many careful housewives take their beds to pieces every week and put carbolic acid on them.

Our field is very focused on finding Earth 2.0, and anything we can do to narrow the search is helpful.