
“He's learning me all of his experience.”
Regarding Bill Dickey, circa spring 1949, paraphrased in "Yogi, His Autobiography: Dickey Hired as Mask Tutor" https://news.google.com/newspapers?id=Ep5RAAAAIBAJ&sjid=PmwDAAAAIBAJ&pg=7202%2C853227 by Berra, with Ed Fitzgerald, in The Pittsburgh Post-Gazette (Sunday, March 5, 1961), Section 3, Page 4.
Yogiisms