…

“How does this boat float?

The father replies, “Don’t rightly know son.”

A little later, the boy looks at his father and asks, “How do fish breath underwater?”

Again, the father replies. “Don’t rightly know son.”

A short time after that, the boy asks his father, “Why is the sky blue?”

Once again, the father replies, “Don’t rightly know son.”

“Dad, do you mind my asking you all of these questions?”

“Of course not, son. If you don’t ask questions, you won’t ever learn nothin’.”