“Trouble comes in a thousand different ways. Not usually anything you expect, either. That’s why it’s trouble.”

“If trouble comes when you least expect it then maybe the thing to do is to always expect it.”

“To anyone who took the trouble to look, I was plainly visible, but when people are expecting to see nothing, that is usually what they see.”

“Calvin, what kind of trouble are you planning to make?”
“No trouble at all,” said Calvin, annoyed. “Why do you think I want to cause trouble?”

“The best way to avoid trouble is to make sure no one wants to trouble you.”

“If anything goes wrong with the Supreme Court, we are in trouble. If anything goes wrong with the court, we are in trouble.”

“Do not trouble trouble till trouble troubles you.”

“Never trouble trouble, till trouble troubles you”

“It's when people compliment you that you're in trouble. That means they expect you to keep it up.”

“The average man takes life as a trouble. He is in a chronic state of irritation at the whole performance.
He does not learn to differentiate between troubles and difficulties, usually, until some real trouble bowls him over. He fusses about pin-pricks until a mule kicks him. Then he learns the difference.”