A person who loved painting and drawing participated in a class of a famous painter. For years he worked hard by taking every advice and practicing a lot. One day, the famous painter said, “I taught you everything I know. You are a master now and you don’t need my help anymore.”

The student wanted to be sure so he drew a painting and then put it in the town square one morning with a note that said:

“If you can see an error in this painting, please put an ‘X’ on the spot.”

When he came back in the afternoon to pick up his painting, he was shocked.

The painting was covered with X’s all over. He was so disappointed by his work and decided to show it to his teacher, the famous painter.

He explained that he wanted to test himself.

When his teacher saw the painting he…