Great Collection of Clean Funny Jokes

Two goldfish in a bowl talking:
Goldfish 1: Do you believe in God?
Goldfish 2: Of course, I do! Who do you think changes the water?

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A: Hey, man! Please call me a taxi.
B: Yes, sir. You are a taxi.

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Teacher: "Nick, what is the past participle of the verb to ring?"
Nick: "What do you think it is, Sir?"
Teacher: "I don't think, I KNOW!"
Nick: "I don't think I know either, Sir!"