If the expression “thick as a brick” is British slang for “dumb as a fence post,” then in the repeated line
men don't know how it feels to be thick as a brick,” are the artistic and working class themes of the album
from a context and texture of masonry to a more Zen-like orientation around humor, healthy distrust of teachers,
skepticism about the human intellect?
— Alan Richardson, “More Rhetorical Questions about Jethro Tull,”
Classic Rock Monthly, 1990