Give a man a fish
Give a man a fish and he will eat for a day. Teach him how to fish and he will sit in a boat and drink beer all day!

Are caterpillars good to eat?
Johnny: Daddy, are caterpillars good to eat?

Father: Have I not told you never to mention such things during meals!

Mother: Why did you say that, Junior? Why did you ask the question?

Johnny: It's because I saw one on daddy's lettuce, but now it's gone.