Passion is overcome only by him who has won through stillness of spirit the perfect vision; it comes through the contentment that is regardless of the world.
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?
ShantidevaIt is not possible to control all external events; But, if I simply control my mind what need is there to control other things?
Shantideva