When you live life from your center, you operate from the indwelling spirit outwards into the visible world, like the spokes of a wheel, radiating God's love, wisdom and power. This is what is meant by being in the world but not of it. You remain calm in a crisis. You carry this calmness with you through the ordinary activities of the day, even when things go wrong... Centered in peace, you experience JOY... This is the culmination of growth in being. What you ARE, far more than what you say or do, will be the witness of your faith.
I think the most essential thing in one's life is silence. What is silence? We think if we are quiet, we are silent. But we must come to silence without desire and wanting, otherwise we are not silent.