This reading is one of Aesop's fables.Aesop was an African slave.He went to Greece around the year 600 before Christ and wrote 350 stories for adult that teach a lesson about life.
A certain man had several sons who were always quarreling with each other.
However hard he tried ,he could not get them to live together in peace
So he determined to convince them of their stupidity in the following way
He told them to fetch a bundle of sticks and asked each son is turn to break in across his knee