If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it.
Bio: Mvemba a Nzinga or Nzinga Mbemba, also known as King Afonso I, was a ruler of the Kingdom of Kongo in the first half of the 16th century. He reigned over the Kongo Empire from 1509 to late 1542 or 1543.