The Earth is all we have. Space is far from being conquered, so we must take care of our own planet before it destroys us itself. Even though this planet will still be here if climate change keeps happening, we may not be. When people say the Earth will be destroyed, they actually mean humans. Some plants and animals will still exist, just we won't.
These quotes are all about our home planet and how great it is.
Right now I am a passenger on the Space Vehicle Earth zooming about the Sun at 60,000 mile per hour somewhere in the solar system.
R. Buckminster Fuller
Let's pray that the human race never escapes from Earth to spread its iniquity elsewhere.
C. S. Lewis
Trees are the earth's endless effort to speak to the listening heaven.
The poetry of the earth is never dead.
There are no passengers on spaceship earth. We are all crew.
The longer one is alone, the easier it is to hear the song of the earth.
Robert Anton Wilson
The earth has received the embrace of the sun and we shall see the results of that love.
There are improbable things suspended in space, like the earth.
How inappropriate to call this planet Earth when it is quite clearly Ocean.
Arthur C. Clarke
Lower your expectations of earth. This isn't heaven, so don't expect it to be.
More on nature