But from that day on, the poor man's life changed- he began to worry about the safety of his money.
Every night he slept a little less, and each time he heard the slightest sound, he became anxious about the safety of his coins.
Finally, he could bear his unhappiness no longer. He went to the garden, dug up the coins and returned them to the banker.
The pauper had learned an important lesson, and so has the banker.