A Quote by Carl Sagan

Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring — not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive.
I think that an advanced planetary civilization will modify their own planets to be more stable, to prevent asteroid impacts and dangerous climate fluctuations.
Space travel leading to skylife is vital to human survival, because the question is not whether we will be hit by an asteroid, but when. A planetary culture that does not develop spacefaring is courting suicide. All our history, all our social progress and growing insight will be for nothing if we perish. No risk of this kind, however small it might be argued to be, is worth taking, and no cost to prevent it is too great. No level of risk is acceptable when it comes to all or nothing survival.
In a free market and in the absence of planning, developers will flatten every hillside, fill every canyon, obliterate every endangered species, and pave over every wetland they think they can make a buck on.
The planetary phase of history has begun, but the future shape of global society remains profoundly uncertain. Though perhaps improbable, a shift toward a planetary civilization of enriched lives, human solidarity, and environmental sustainability is still possible.
People sometimes sneer at those who run every day, claiming they'll go to any length to live longer. But don't think that's the reason most people run. Most runners run not because they want to live longer, but because they want to live life to the fullest.
Human beings, because we're so clever, have removed every single one of those population limiting factors... So nothing controls our increase in numbers except our own wish. Since I first started making television programs, the population of the world has increased three times. That's an extraordinary notion. Can it increase four times? Can it increase five times? The Earth is a finite size. So a point will eventually come when we run out of food, when we run out of space and when we will have destroyed most of the natural world. So ought we to do something about it before that happens?
Love will push every button, try every faith, challenge every strength, trigger every weakness, mock every value, and then leave you there to die. And then you will be ready to be born at last, to become a soul who is strong enough to take love on. You'll be a romantic mystic who has achieved the elements: you endured the flames of love, you were baptized in the waters of love, and now you can soar like only a mystic can through the skies and skin of a lover's heart.
Everything comes down to this: the reason for every word I have written and every word I will write. I am recounting my life for you so that you may know this secret without the pain of discovering it: We are unhappy because we think that love is something we require from someone else. Our salvation depends on a simple gesture that is nonetheless the most difficult act we can perform: We must give away the thing we most long for. Not to receive but to give.
If the League were real, today, they'd most likely be sued by every person they ever saved. They'd be subpoenaed by every authority in every jurisdiction imaginable; hearings upon hearings. There'd be waves of accolades followed by tsunamis of boos from social media.
The world will provide you with every imaginable obstacle, but the one most difficult to overcome will be the lack of faith in yourself. Leave it to others to have doubts about you.
Every man is responsible for defending every woman and every child. When the male no longer takes this role, when he no longer has the courage or feels the moral responsibility, then that society will no longer be a society where honor and virtue are esteemed. Laws and government cannot replace this personal caring and commitment. In the absence of the Warrior protector, the only way that a government can protect a society is to remove the freedom of the people. And the sons and daughters of lions become sheep.
You are always here with me when I do so, at least in my heart, and it is impossible for me to remember a time when you were not a part of me. I do not know who I would have become had you never come back. I love you, Allie. I am who I am because of you. You are every reason, every hope and every dream I've ever had, and no matter what happens to us in the future, every day we are together is the greatest day of my life. I will always be yours. And, my darling, you will always be mine. Noah
Every part of it is important; the film comes alive when you edit it, the film comes alive when you write it, the film comes alive when you act it, and the same with the directing. They're all the most important part at the time and that's why I enjoy doing it, because you're creating a story and every part is a very integral part of it.
Love is the most practical thing in the world. To love, to be kind, not to be greedy, not to be ambitious, not to be influenced by people but to think for yourself-these are all very practical things, and they will bring about a practical, happy society.
Being in space is amazing - it's the reason we all become astronauts - but you also have to love what you're doing on the ground, since that's how you'll spend most of your time.
Mankind's journey into space, like every great voyage of discovery, will become part of our unending journey of liberation. In the limitless reaches of space, we will find liberation from tyranny, from scarcity, from ignorance and from war. We will find the means to protect this Earth and to nurture every human life, and to explore the universe. . . .This is our mission, this is our destiny.
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