Under illusion people think that material opulence will save them, but although there has been much advancement in material science, the problems of human society - birth, death, old age and disease - are still unsolved: 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.