मैत्री करुणा मुदिता उपेक्षा
maitree karuna mudita upeksha
These words refer to conditioning of mind for a purified living. They also are a guide to deal with the world and the people around you.
Maitree: Treat everybody as your friend. Form friendship with all around you. Behave as if they are your close friends. You will find them treating you the same way.
Karuna: Have compassion for the helpless or the less blessed. Feel sorry for them. Do the best you can to help.
Mudita: Join other peoples happiness. If you see something good happening, feel good and join them in their celebrations. Do not be jealous.
Upeksha: Sometime there are circumstances beyond your control and sometime there are bad things happening in the word, like wars, atrocities that are beyond your control and they are not your doing, simply ignore them.