From Space Opera by Catherynne Valente (p.118)

“Everyone’s always saying love is the element that binds the universe together, but that’s a load of bollocks; it’s convenience. All things, from evolution to municipal sanitation to marriage to the Big Bang to diplomacy to the distribution of shops in urban centers, trend toward the most convenient outcome for the greatest number of lazy bastards, because the inconvenient stuff ends up alone without any friends and a foot growing out of their head and who has the time?”