A smile is a universal language understood by both rich and poor. It is inexpensive and will not cost anything to have it on one's face. All it takes is the decision to smile.
During a visit by Minority leader, Haruna Iddrisu to his constituency, he was photographed in a navy blue suit with a constituent who could not hide his smile.
"We shall never know all the good that a simple smile can do," Mother Teresa appealed to humanity.