What's the difference between a paralyzed kid and a father?

The father gets to leave, while the kid stays.

What was Stephen Hawking's favorite childhood song?

The wheels on the chair go round and round.

Once I asked Siri to tell me a joke, and it asked me, "What is the difference between a large pizza and you?" One can feed a family.

A missionary went to visit an orphanage in Thailand. After looking around, he asked the manager, "Why do these kids have numbers instead of names on their shirts? And why are some of them the same?"

The manager smiled and said, "Those are price tags."

What's the difference between Monday and a dick?

They're not different. They're both unnecessarily long and hard.