Actually, a man can live very peacefully and healthy life. Not only peacefully. If you are healthy, if your mind is equilibrium, then naturally you are peaceful. So that was a system for the sages and hermitages: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.