If the problem can be solved why worry? If the problem cannot be solved worrying will do you no good.
ShantidevaHow wonderful will it be when all beings experience each other as limbs on the one body of life.
ShantidevaAll those who are unhappy in the world are so as a result of their desire for their own happiness. All those who are happy in the world are so as a result of their desire for the happiness of others.
Shantideva