There's life all over this universe, but the only life in the solar system is on earth, and in the whole universe we are the only men.

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

The proper union of gin and vermouth is a great and sudden glory; it is one of the happiest marriages on earth, and one of the shortest lived.

We could have saved the Earth but we were too damned cheap.

I tell you, we are here on Earth to fart around, and don't let anybody tell you different.

Opinion has caused more trouble on this little earth than plagues or earthquakes.

Superstition is to religion what astrology is to astronomy the mad daughter of a wise mother. These daughters have too long dominated the earth.

I argue in this paper that we are on the edge of change comparable to the rise of human life on Earth.

Humans may be the only creatures on Earth who spend significant time thinking about the fact that someday their lives will end.

Perhaps the thing that makes humans truly unique on Earth is that we are never satisfied with our situation; maybe that is what's taken us so far.

For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return.

Think of the earth as a living organism that is being attacked by billions of bacteria whose numbers double every forty years. Either the host dies, or the virus dies, or both die.

I believe cats to be spirits come to earth. A cat, I am sure, could walk on a cloud without coming through.

On the morrow the horizon was covered with clouds- a thick and impenetrable curtain between earth and sky, which unhappily extended as far as the Rocky Mountains. It was a fatality!

The Nautilus was piercing the water with its sharp spur, after having accomplished nearly ten thousand leagues in three months and a half, a distance greater than the great circle of the earth. Where were we going now, and what was reserved for the future?