I once said that fifty years from now, the only one of today's dancers who will be remembered is Fred Astaire.
Source, in full
Gene Kelly quoted in Shipman, David. The Great Movie Stars, The Golden Years. Crown Publishers, New York. 1970. pp. 25-29 as referenced in Billman, Larry: Fred Astaire - A Bio-bibliography, Greenwood Press, Connecticut, 1997. ISBN 0-313-29010-5 p. 351.