A heavy warning used to be given that pictures are not rigorous; this has never had its bluff called and has permanently frightened its victims into playing for safety.
John Edensor LittlewoodI listen only to Bach, Beethoven or Mozart. Life is too short to waste on other composers.
John Edensor LittlewoodI read in the proof sheets of Hardy on Ramanujan: "As someone said, each of the positive integers was one of his personal friends." My reaction was, "I wonder who said that; I wish I had." In the next proof-sheets I read (what now stands), "It was Littlewood who said..."
John Edensor Littlewood