Waiter said: 50 cents
The boy started counting how much he had in his purse and then he asked how much a small cup costs?
Waiter said: 40 cents
The boy asked for a small cup. He had it, paid the bill, and left.
When the waiter came to pick the empty cup, he was slightly touched as the boy had left 10 cents as tip for him.
Try giving something to everyone out of whatever little you have.
— Author Unknown