No greater problem is presented to the human mind. Annie Jump Cannon More Quotes by Annie Jump Cannon More Quotes From Annie Jump Cannon Teaching man his relatively small sphere in the creation, it also encourages him by its lessons of the unity of Nature and shows him that his power of comprehension allies him with the great intelligence over-reaching all. Annie Jump Cannon unity teaching men A life spent in the routine of science need not destroy the attractive human element of a woman's nature. Annie Jump Cannon routine science needs Classifying the stars has helped materially in all studies of the structure of the universe. Annie Jump Cannon structure study stars