Peacefulness is an inner sense of calm - it comes from becoming still - in order to reflect and meditate on our inner wisdom and receive answers. A peaceful heart is one that is free from worry and rouble. It's becoming quiet so we can look at things quietly so we can more clearly understand them and thus come up with creative solutions. It is learning to live in the present. Freedom from desire leads to inner peace.
LaoziThe past has no power to stop you from being present now. Only your grievance about the past can do that. What is grievance? The baggage of old thought and emotion.
LaoziShe who is centered in the Tao can go where she wishes, without danger. She perceives the universal harmony, even amid great pain, because she has found peace in her heart. Music or the smell of good cooking may make people stop and enjoy. But words that point to the Tao seem monotonous and without flavor. When you look for it, there is nothing to see. When you listen for it, there is nothing to hear. When you use it, it is inexhaustible.
Laozi