Your job today tells me nothing of your future — your use of your leisure today tells me just what your tomorrow will be.

Robert H. Jackson (1892–1954) US Supreme Court Justice (1941–54), lawyer, jurist, politician
Speech, Building Dedication, Jamestown High School, New York (1935-11-15)
    (Source)

Quoted in Eugene Gerhart, America's Advocate: Robert H. Jackson, ch. 24 (1958).