Remark made during a week at Princeton beginning 9 May 1921, later carved above the fireplace of the Common Room of Fine Hall (the Mathematical Institute), Princeton University - in R. W. Clark Einstein (1973) ch. 14
Joseph Addison, Mr. John Dryden, Richard Steele, William Shakespeare, Colley Cibber (1750). “A Select Collection of the Best Modern English Plays: Vol. V.”, p.21