You can spoil your energy for making this material world very comfortable or you may live for some years very comfortably, but cruel death will come and snatch from comfortable position and put you into another position which is beyond your control: 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.