Student: Mr. Majewski, you should bring a Newton's Cradle to class. Mr. Majewski: Yes, in Europe, we call this "Newton's Balls".
// Mr. Majewski is doing a demonstration with tennis balls Mr. Majewski: Now, if I had another ball... I really need more balls. *class laughs* Mr. Majewski: I don't get it, in every class, I start talking about my balls and everybody laughs.