I don't believe medical discoveries are doing much to advance human life. As fast as we create ways to extend it we are inventing ways to shorten it.
Source: In 2,715 One-Line Quotations for Speakers, Writers & Raconteurs, by Edward F. Murphy, 1981.
-- Christiaan Barnard, (Nov 8 1922-2001), South African surgeon; He performed the first human heart transplant operation.