Quotes about planet
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Told to thousands at the New Jersey concert for Live Earth
spirituality and wisdom
Source: How we're growing baby corals to rebuild reefs https://www.ted.com/talks/kristen_marhaver_how_we_re_growing_baby_corals_to_rebuild_reefs (October 2015)
“Our tenancy on this planet is not guaranteed.”
Naked Earth: the New Geophysics (1995)

“When we say that “the world has ended,” remember—it is usually a lie. The planet is just fine.”
Prologue “me, when I was I” (p. 2)
The Stone Sky (2017)

“The planet is in distress and all of the attention is on Paris Hilton.”

“If there's one thing on this planet you don't look like it's a bunch of good luck walkin around.”
Source: No Country for Old Men

1963, American University speech
Variant: For in the final analysis, our most basic common link, is that we all inhabit this small planet, we all breathe the same air, we all cherish our children's futures, and we are all mortal.
Source: Profiles in Courage
Context: In short, both the United States and its allies, and the Soviet Union and its allies, have a mutually deep interest in a just and genuine peace and in halting the arms race. Agreements to this end are in the interests of the Soviet Union as well as ours — and even the most hostile nations can be relied upon to accept and keep those treaty obligations, and only those treaty obligations, which are in their own interest. So, let us not be blind to our differences — but let us also direct attention to our common interests and to the means by which those differences can be resolved. And if we cannot end now our differences, at least we can help make the world safe for diversity. For, in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's future. And we are all mortal.

Source: Julie and Julia: 365 Days, 524 Recipes, 1 Tiny Apartment Kitchen: How One Girl Risked Her Marriage, Her Job, and Her Sanity to Master the Art of Living

“John Muir, Earth — planet, Universe niel and I”
Muir's home address, as inscribed on the inside front cover of his first field journal http://digitalcollections.pacific.edu/cdm/ref/collection/muirjournals/id/115/show/3, which started 1 July 1867
1860s

“Intelligent life on other planets? I'm not even sure there is on earth!”
Source: Bleach, Volume 04

“I would have given him everything. I would have pulled down planets to make our life work.”

“Western civilization is a loaded gun pointed at the head of this planet.”

Source: The Separate Notebooks

“Literature is the only access to truth we have on this planet.”

“But I guess you don't see the planets when you're staring at the sun. You just get blinded.”
Source: Nick & Norah's Infinite Playlist

Source: The Fact of a Doorframe: Poems Selected and New, 1950-1984
The Message to the Planet (1989) p. 509.

“I was made for another planet altogether. I mistook the way.”

“Perhaps our role on this planet is not to worship God — but to create Him.”
"The Mind of the Machine" in Report on Planet Three and Other Speculations (1972)
1970s

Source: Cosmos (1980), p. 193
Context: For as long as there been humans we have searched for our place in the cosmos. Where are we? Who are we? We find that we live on an insignificant planet of a hum-drum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people. This perspective is a courageous continuation of our penchant for constructing and testing mental models of the skies; the Sun as a red-hot stone, the stars as a celestial flame, the Galaxy as the backbone of night.

Source: Pale Blue Dot: A Vision of the Human Future in Space (1994), p. 8, Supplemental image at randi.org http://www.randi.org/images/122801-BlueDot.jpg
Context: Our posturings, our imagined self-importance, the delusion that we have some privileged position in the Universe, are challenged by this point of pale light. Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves.
Context: Consider again that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every "superstar", every "supreme leader", every saint and sinner in the history of our species lived there — on a mote of dust suspended in a sunbeam.
The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary masters of a fraction of a dot. Think of the endless cruelties visited by the inhabitants of one corner of this pixel on the scarcely distinguishable inhabitants of some other corner, how frequent their misunderstandings, how eager they are to kill one another, how fervent their hatreds.
Our posturings, our imagined self-importance, the delusion that we have some privileged position in the Universe, are challenged by this point of pale light. Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves.
The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future, to which our species could migrate. Visit, yes. Settle, not yet. Like it or not, for the moment the Earth is where we make our stand.
It has been said that astronomy is a humbling and character-building experience. There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, it underscores our responsibility to deal more kindly with one another, and to preserve and cherish the pale blue dot, the only home we've ever known.

“We are, quite literally, gambling with the future of our planet- for the sake of hamburgers”
Source: Animal Liberation

" Notebook N http://darwin-online.org.uk/EditorialIntroductions/vanWyhe_notebooks.html" (1838) page 36 http://darwin-online.org.uk/content/frameset?pageseq=25&itemID=CUL-DAR126.-&viewtype=text
quoted in [Darwin's Religious Odyssey, 2002, William E., Phipps, Trinity Press International, 9781563383847, 32, http://books.google.com/books?id=0TA81BTW3dIC&pg=PA32]
also quoted in On Evolution: The Development of the Theory of Natural Selection (1996) edited by Thomas F. Glick and David Kohn, page 81
Other letters, notebooks, journal articles, recollected statements
Source: Notebooks
“We are not on this planet to ask forgiveness of our deities”
Source: Living Wicca: A Further Guide for the Solitary Practitioner

“The supreme reality of our time is the vulnerability of our planet.”

“Shane - who knows about Shane? Planet Shane is a lovely place a long way from here.”
Variant: Planet Shane is a lovely place a long way from here.
Source: Glass Houses

“there is no planet, sun, or star could hold you if you but knew what you are.”
“Honestly, what planet do these people live on? And why isn't it farther away?”
Source: On the Bright Side, I'm Now the Girlfriend of a Sex God
Source: Hero
“The moon hung over the planet Earth, a dead thing over a dying thing.”

" … and God wept", I believe is the next part of that story.
Chicago '91 (1991)

“We would oppose the turning of the planet and refuse the setting of the sun.”
Source: You Shall Know Our Velocity!