Teacher: Which is more important, the sun or the moon?
Pupil : The moon.
Teacher: Why?
Pupil : The moon gives us light at night when we need it but the sun shines in the day time when we don't need it.

Teacher: What do you call a person who keeps on talking when people are no longer interested?
Pupil : Teacher

Waiter : Would you like your coffee black?
Customer : What other colours do you have?

Teacher: Sam, you talk too much
Sam : It's a family tradition
Teacher: What do you mean?
Sam : Mam, my grandpa was a street hawker, my father is a preacher
Teacher: What about your mother?
Sam : She's a women