Earth Quotes

Cherish sunsets, wild creatures and wild places. Have a love affair with the wonder and beauty of the earth.

~ Stewart Udall

The sweetest noise on earth, a woman's tongue; A string which hath no discord.

~ Bryan Procter

Parenting is one of the hardest jobs on earth.

~ Jennifer Aniston

If you could drive straight down, into a tunnel bored through the crust of the planet, you'd hit this molten mess in about an hour. It's called the asthenosphere - a sluggish sea, several hundred miles thick, on which floats the Earth's cool epidermis - the so-called tectonic plates.

~ Seth Shostak

For relatively modest amounts of sulfur dioxide injected into the atmosphere, you could easily cool Earth by 1% or more, if you want.

~ Nathan Myhrvold

I think my appeal is that I've always tried to stay very grounded to my fans and to be accessible - not being this unattainable thing. I think doing sports and riding motorcycles has made me more approachable and more real and down to earth.

~ Marisa Miller

The movie - any sports movie - becomes a praise song to life here on earth, to physical existence itself, beyond striving, beyond economic necessity.

~ David Shields

There are no passengers on spaceship earth. We are all crew.

~ Marshall Mcluhan

If the Earth gets hit by an asteroid, it's game over. It's control-alt-delete for civilization.

~ Bill Nye

The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.

~ Konstantin Tsiolkovsky

The most important thing about Spaceship Earth - an instruction book didn't come with it.

~ R. Buckminster Fuller

When many astronauts go to space, they see the insignificant size of the earth and vastness of space, and they become very religious, because they have seen the Signs of Allah.

~ Cat Stevens

Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar System.

~ Konstantin Tsiolkovsky

Once you've been in space, you appreciate how small and fragile the Earth is.

~ Valentina Tereshkova

We are not going to be able to operate our Spaceship Earth successfully nor for much longer unless we see it as a whole spaceship and our fate as common. It has to be everybody or nobody.

~ R. Buckminster Fuller

Mining asteroids will ultimately benefit humanity on and off the Earth in a multitude of ways.

~ Peter Diamandis

Absolute space, that is to say, the mark to which it would be necessary to refer the earth to know whether it really moves, has no objective existence.

~ Henri Poincaré

I think the human race doesn't have a future if we don't go into space. We need to expand our horizons beyond planet Earth if we are to have a long-term future.

~ Lucy Hawking

In so many and such important ways, then, do the planets bear witness to the earth's mobility.

~ Nicolaus Copernicus

On Earth, men are seen as superior because of their physical strength, but it means nothing in space, where there is no gravity.

~ Yi So-Yeon

There are thousands of asteroids whose orbit in the Solar System crosses that of Earth. And we have a little acronym for them - NEOs: near Earth objects. And our biggest goal is to try to catalogue them, so we know in advance if one is going to put us at risk.

~ Neil Degrasse Tyson

What's aero braking? That's a way to use the gravity and upper atmosphere of Earth to sling shot a ship out either deeper into space, or slow it down to be 'captured' by Earth's gravity.

~ Buzz Aldrin

It's very dangerous to put astronauts on a moon base where there's radiation, solar flares and micro meteorites. It'd be much better to put robots on the moon and have them mentally connected to astronauts on the Earth.

~ Michio Kaku

Our astronauts, when they go orbiting around the earth, they actually come back slightly younger than a twin that they would have on the planet Earth who was stationary. This is called the twin paradox.

~ Michio Kaku

There is a project that's underway called the interplanetary Internet. It's in operation between Earth and Mars. It's operating on the International Space Station. It's part of the spacecraft that's in orbit around the Sun that's rendezvoused with two planets.

~ Vint Cerf

The images of Earth's delicate biosphere, contrasting with the sterile moonscape where the astronauts left their footsteps, have become iconic for environmentalists: these may indeed be the Apollo programme's most enduring legacy.

~ Martin Rees

Supplying fuel for a Mars expedition from the lunar surface is often suggested, but it's hard to make it pay off - Moon bases are expensive, and just buying more rockets to launch fuel from Earth is relatively cheap.

~ Henry Spencer

The heart looks into space to be away from earth.

~ Richard Jefferies

It would take an extremely large spacecraft to deflect a large asteroid that would be headed directly for the Earth.

~ Rusty Schweickart

We have the capability - physically, technically - to protect the Earth from asteroid impacts. We are now able to very slightly and subtly reshape the solar system in order to enhance human survival.

~ Rusty Schweickart

I watched the moon landing as a boy, and I thought that was the most exciting thing ever, going into space, orbiting Earth and exploring other planets. That looked fantastic.

~ David Mackay

I wrote my first book in fifth grade. It was about a dog that goes to outer space and is an ambassador for Earth.

~ Josh Malerman

Mankind will not forever remain on Earth but, in the pursuit of light and space, will first timidly emerge from the bounds of the atmosphere and then advance until he has conquered the whole of circumsolar space.

~ Konstantin Tsiolkovsky

I went on to Harvard and got very interested in computers and studying the earth's landscape.

~ Jack Dangermond

I tend to think of Pluto and its moons as presents sitting under a Christmas tree. They're wrapped, and from Earth all we can do is look at the boxes to see whether they're light or heavy, to see if something maybe jiggles a bit inside. We're seeing intriguing things, but we really don't know what's in there.

~ Alan Stern

Sometime in the early Seventies, gender-free toys were briefly a popular idea. So at Christmas on the California beach in 1972, we downplayed the dolls with frilly dresses and loaded up Santa's sack with toy trucks and earth movers for our three daughters.

~ Tom Brokaw

Christmas comes during a season when the Earth is in its darkest time. It's a holiday for the family and for everyone.

~ Melissa Etheridge

For famous men have the whole earth as their memorial.

~ Pericles

Even with all our technology and the inventions that make modern life so much easier than it once was, it takes just one big natural disaster to wipe all that away and remind us that, here on Earth, we're still at the mercy of nature.

~ Neil Degrasse Tyson

On earth there is no heaven, but there are pieces of it.

~ Jules Renard