All 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.
ShantidevaWhy be unhappy about something if it can be remedied? And what is the use of being unhappy about something if it cannot be remedied?
ShantidevaIf the problem can be solved why worry? If the problem cannot be solved worrying will do you no good.
Shantideva