The parable of the mirror

A wise man was asked:

“Why poor people are more friendly and sincere than the rich ones?”

“Look out of the window!” “What do you see?”

“I see some children playing.”

“Now, look in the mirror and say what do you see?”

“I see only myself.”

“Well, you see, the window and the mirror are both made of glass, but if you add a little silver you already see only yourself.”