of life, and as no two faces are the same, so no two bodies are alike, and no two individuals react alike and behave alike under the abnormal conditions which we know as disease." "To study the phenomena of disease without books is to sail an uncharted sea, while to study books without patients is not to go to sea at all." "There is no more difficult art to acquire than the art of observation, and for some men it is quite as difficult to record an observation in brief and plain language." "There is no disease more conducive to clinical humility than aneurysm of the aorta." "There are, in truth, no specialties in medicine, since to know fully many of the most important diseases a man must be familiar with their manifestations in many organs." "The young physician starts life with 20 drugs for each disease, and the old physician ends life with one drug for 20 diseases." "Observe, record, tabulate, communicate. Use your five senses. Learn to see, learn to hear, learn to feel, learn to smell, and know that by practice alone you can become expert." "No human being is constituted to know the truth, the whole truth, and nothing but the truth; and even the best of men must be content with fragments, with partial glimpses, never the full fruition." "No bubble is so iridescent or floats longer than that blown by the successful teacher." "Medicine is a science of uncertainty and an art of probability."