The sun is obviously important for the earth’s existence. I have a feeling the earth is important to the sun too, probably. It can’t just be a parasite. If gravity is a force of attraction between every celestial body, could the same be true for Purpose too? The sun solves a purpose for the earth. Does the earth solve a purpose for the sun? In fact what is the purpose of the earth in this entire universe? Anyone?
BitterSweet Medicine 
It’s hard to say if the purpose of earth is unique. But if among the innumerable number of galaxies, the existence of life bloomed only on planet earth, then maybe it’s the role of the earth to act as the bridge between the infinite celestial bodies in this ever expanding universe. To find the meaning of it all. To put this gigantic puzzle together.
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