First of my own personal requirements is inner calm. This, I think, is an essential. One of the secrets of using your time well is to gain a certain ability to maintain peace within yourself so that much can go on around you and you can stay calm inside.
Eleanor RooseveltEnjoy every minute you have with those you love, my dear, for no one can take joy that is past away from you. It will be there in your heart to live on when the dark days come.
Eleanor Roosevelt