A Quote by Carl Sagan

The lifetime of a human being is measured by decades, the lifetime of the Sun is a hundred million times longer. Compared to a star, we are like mayflies, fleeting ephemeral creatures who live out their lives in the course of a single day.
I've always known that the quality of love was the mind, even though the body sometimes refuses this knowledge. The body lives for itself. It lives only to feed and wait for the night. It's essentially nocturnal. But what of the mind which is born of the sun, William, and must spend thousands of hours of a lifetime awake and aware? Can you balance off the body, that pitiful, selfish thing of night against a whole lifetime of sun and intellect? I don't know.
In the course of an average lifetime anyone growing up in a house with such a clock will hear the tune over a million times.
(On the energy radiated by the Sun) It's four hundred million million million million watts. That is a million times the power consumption of the United States every year, radiated in one second, and we worked that out by using some water, a thermometer, a tin, and an umbrella. And that's why I love physics.
The average woman loses a half million dollars over a lifetime, but women with higher degrees lose $2 million over a lifetime.
It may be unfair, but what happens in a few days, sometimes even a single day, can change the course of a whole lifetime.
Genius is a potential that lives within you and every other human being. You have many moments of genius in your lifetime. These are the times when you have a uniquely brilliant idea and implement it even if only you are aware of how fantastic it is.
You can live an entire lifetime in Chicago and not hear a gunshot, but if you go in a certain neighborhood then you can live your whole lifetime hearing gunshots all the time.
I've got my whole life. There's a lifetime of experience, a lifetime of experiencing the road and the music and different players. It makes me a richer human being. I have a greater source of information to tap into, a wealth of life.
Life by the yard is hard; by the inch it's a cinch. Each of us can be true for just one day--and then one more and then one more after that--until we've lived a lifetime guided by the Spirit, a lifetime close to the Lord, a lifetime of good deeds and righteousness.
I have a deep conviction that our lives are eternal, that it is waking and sleeping, that we are born together with the people we love lifetime after lifetime.
I think The Undertaker is, much like Brock Lesnar, a once-in-a-lifetime wrestler, a once-in-a-lifetime athlete, and a once-in-a-lifetime performer.
What I have found most surprising is the amount of damage we have done to environment in the course of my lifetime - not even five and a half decades.
There are future lives. It is not necessary to cram everything into this lifetime. You can enjoy this lifetime, go with the flow, and know it will lead you to a better life in your next incarnation.
You are no different in this lifetime than you were in your last lifetime. This lifetime is simply a continuation of your last lifetime.
And God, God who believes in us all. And who's given me this moment, in this lifetime, that I will hopefully carry to the end of my lifetime into the next lifetime.
No lifetime is long enough for those ... who simply wish to understand themselves and their lives. It is, perhaps, the curse of being human, but also a blessing.
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