Answer:
The truth was that Jay Gatsby of West Egg, Long Island, sprang from his Platonic conception of himself. He was a son of God—a phrase which, if it means anything, means just that—and he must be about His Father’s business, the service of a vast, vulgar, and meretricious beauty. So he invented just the sort of Jay Gatsby that a seventeen-year-old boy would be likely to invent, and to this conception he was faithful to the end.
Explanation:
chapter 6
D. Decades before men walked on the moon
I think it's a pun (basically a joke that is related to a specific word, like its meaning or sound) - because it's wordplay about light vs heavy
