He went to say that there were complicated things in life that need wisdom and common sense to be understood. Then the professor narrated a story for them saying, "a child got sick and when her father took her to the hospital the doctor prescribed medicine which he could not afford to buy.
He phoned his brother to help him to buy the medicine. His brother told him to wait one hour to bring him the money. The man waited anxiously and tried to call his brother but his brother's cell phone was close