Without sorrow, there is no value for happiness.

If you work for 24 hours in an air-conditioned place, you will take this for granted and not realize its value. But if you work for four hours in the Sun, and then sit in an air-conditioned room, you will recognize its value. Without heat, there is no value for the air-conditioner. So too, without troubles, we will not realize the value of comforts. Only when we suffer, we realize what is joy! At times, to relieve the pain and suffering in one part of your body, the doctor may perform an operation. The surgery is a painful procedure. However, without undergoing that short term pain, you cannot remove the long term suffering. That is why the scriptures clearly call out that happiness cannot be derived from happiness. Without goodness, life has no meaning. Without sorrow, there is no value for happiness.

Bagavan Sri Sri Sri Sathya Sai Baba