 a wise man said to a man who was very upset because of his babys crying do not be upset for it will make his body lighter and his eyesight healthier.
وقال بعض الحكماء لرجل اشتد جزعه من بكاء صبي له لا تجزع، فإنه أفتح لجرمه، وأصح لبصره.