Midnight Tides (Malazan Book of the Fallen, #5)

by Steven Erikson

The Down Markets opened out onto it from three sides; a more decrepit collection of useless items for sale Tehol had yet to see. And the people bought in a frenzy, day after blessed day. Our civilization thrives on stupidity. And it only took a sliver of cleverness to tap that idiot vein and drink deep of the riches. Comforting, if slightly depressing. The way of most grim truths.