This amazing man had many intelligent things to tell us! The spark is your essence! If like many, you are not sure what your spark is think back to your childhood. What were you doing when you were a child and on top of the world? Was it singing, writing, dancing, a sport, favourite movie even? Go back to it-now. Inite the fire and watch yourself flourish.
It will wipe away the heaviness of the day for you. We are not doing enough of this in our routines anymore. Schedule 20 min to do this if you have to to start but do it! Do it every damn day!