Always Quote by Carl Sagan

Of all celestial bodies within reach or view, as far as we can see, out to the edge, the most wonderful and marvellous and…

— Lewis Thomas

I like the idea that my work isn't intended only for the Earth, but for the entire Universe.

— Hiroshi Hamaya

There ought to be something very special about the boundary conditions of the universe and what can be more special than that there is…

— Stephen Hawking

We all like to congregate at boundary conditions. Where land meets water. Where earth meets air. Where bodies meet mind. Where space meets time.…

— Douglas Adams

I really like Earth.

— Benson Boone

The Earth is a unique system in the universe, the only planet we know of that's hospitable for humankind.

— Sylvia Earle

Space is something which makes us question our role here on Earth. It brings out the best of our hopes and dreams.

— Morgan Neville

For me, the real earth is that chosen part of the universe, still almost universally dispersed and in course of gradual segregation, but which…

— Pierre Teilhard de Chardin

I am a great fan of the universe, which I take literally: as one. All of it interests me, and it interests me in…

— Diane Ackerman

Well the planet I've got a chance to visit is Earth, and Earth's principal features are chaos and war. I think I'd be a…

— P. J. O'Rourke

Space is the ultimate frontier. I think when people historically thought of the frontier, there was where you were living and then there was…

— Neil deGrasse Tyson

This whole earth in which we inhabit is but a point is space.

— Henry David Thoreau