This is an inquisitive age, and if we insist on piling up beyond a certain height knowledge which is in itself mere trash and lumber to a man whose life is to be one long fight with death and disease, there will be some sharp questions asked by and by.
-Oliver Wendell Holmes, Scholastic and Bedside Teaching. Lecture given to the medical class of Harvard University. Reprinted in Medical Essays by Oliver Wendell Holmes. Birmingham, AL: Classics of Medicine Library; 1987, p. 291, November 6, 1867