“Got to keep losing horses," he said drowsily. "Bad habit.”

“Bad books engender bad habits, but bad habits engender good books.”

“At some point, being angry is just another bad habit, like smoking, and you keep poisoning yourself without thinking about it.”

“As he poured carefully, Arrow's head turned toward the sound. The horse made a low grumbling noise in his throat.
"Hold your horses," he said. The he laughed. It seemed absurd to say tat to a horse.”

“Good habits are as addictive as bad habits, and a lot more rewarding.”

“Our habits are our friends. Even our bad habits.”

“Lookin' back is a bad habit.”

“Horse sense is the thing a horse has which keeps it from betting on people.”

“Sanderson laughed. "There's no problem," he said. "Yet. I've got a pretty tough old neck. I can keep it stuck out a while longer."”

“Antisthenes … was asked on one occasion what learning was the most necessary, and he replied, "To unlearn one's bad habits."”