Prompt: "What goes up must come down"

           The statement "What goes up must come down" is a very interesting statement, and I think it could be argued both ways.
           One example of something that doesn't have to come down after going up is a tree. Trees grow up, increasing in height. Trees don't ever decrease in height. Trees will keep getting higher and higher until they are cut down (in which case they will decrease a lot in height) or die of natural causes (in which case they will either fall down or just stay there at the same height).
           One example of something that will come down after going up is new products by major companies like Apple and Microsoft. When they come out, everybody wants them, and the popularity and price of the products increase. As time progresses, however, the popularity and price will go down, as everybody who is interested in the product has the product already, and the rush to buy the product will decrease, too.
           Trees keep growing and never decrease in height unless they die, while new products must eventually go down in popularity and price after being released. Therefore, "What goes up must come down" is a prompt that is true in some aspects and false in others.

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