One must know what is the necessity of the body and what is the necessity of the soul. The real necessity of life is to supply the comforts of the soul. And the soul can be comforted not by material adjustment: 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.