I began to get it through my skull that words and pictures were Yin and Yang. I began thinking that words and pictures, married, might possibly produce a progeny more interesting than either parent. Theodor Seuss Geisel in "Words and Pictures Married: The Beginnings of Dr. Seuss : A conversation with Theodor S. Geisel" (Dartmouth.edu), Dartmouth Alumni Magazine - April 1976, Vol. 68, No. 8 (via Quoteinvestigator.com) Other quotes from Theodor Seuss Geisel.