The child comes home from his first day at school.
Mother asks, "What did you learn today?"
The kid replies, "Not enough. I have to go back tomorrow."
*
Officer: Soldier, do you have change for a dollar?
Soldier: Sure, buddy.
Officer: That's no way to address an officer! Now let's try it again.
Soldier: Do you have change for a dollar?
Soldier: No, SIR!
*
Panting and sweating, two men on a tandem bicycle finally made it to the top of a steep hill.
"That was a tough climb," said the front rider.
"Sure was," replied the second. "And if I hadn't kept the brakes on, we would have slid down backward."