If you can solve your problem, what is the need of worrying? If you cannot solve it, what is the use of worrying.
ShantidevaAll the suffering in the world comes from seeking pleasure for oneself. All the happiness in the world comes from seeking pleasure for 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?
Shantideva