If your contribution has been vital there will always be somebody to pick up where you left off, and that will be your claim to immortality.
Source: In Correct Quotes for DOS, WordStar International, 1991.
-- Walter Gropius, (May 18 1883-1969), German architect; He was a leader of the Bauhaus school of design; co-designed the Pan Am Building, NYC with Pietro Belluschi.