Thirty years ago I was regarded as a rebel, but to-day, as you see, I have lived to find myself a classic.
Source, in full
1931. Quoted by William Leon Smyser in his article The Caliph of Vienna: Dr. Richard Strauss, Musician. Published in Music & Letters , Jan., 1931, Vol. 12, No. 1 (Jan., 1931), pp. 46-53. Published by: Oxford University Press