“It seemed odd no one had thought of it before but in general there is no accounting for the bovine stupidity of mankind.”

“...a woman of quite bovine stupidity and potato-like contours...”

“Gibbons wondered vaguely if he was becoming a morphine addict. He had certainly dosed himself into a stupid on account of the hideous pain resulting from the nurse's insistence that he get up and sit in a chair. He rather thought that being a drug addict would interfere with his career as a police detective, but that didn't seem to matter as much as it had a little while ago.”

“The cow is of the bovine ilk; one end is moo, the other milk.”

“all abilities are paid for with disabilities. perfect health may entail the heavy toll of bovine stupidity. insight into one area involves blind spots in another. i could not have done what i have done as a writer had i been a gifted mathematician or physicist.honesty wrung out of him by pain, he cried out with a loud voice.”

“He thought of half a dozen ideas before he went to sleep. Ender would be pleased-every one of them was stupid.”