Move. Act. Write. Read. Sign up. Take a stand. Or do whatever it takes for you. Get involved in the process. As Rollo May wrote in Man’s Search for Himself: “Every organism has one and only one central need in life, to fulfill its own potentialities.” He goes on to say that joy is the result of using our powers to their fullest, and for that reason, joy, not happiness, is the goal of life.