The extraordinary development of modern science may be her undoing. Specialism, now a necessity, has fragmented the specialities themselves in a way that makes the outlook hazardous. The workers lose all sense of proportion in a maze of minutiae.

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.

The clean tongue, the clear head, and the bright eye are birthrights of each day.

It is much simpler to buy books than to read them and easier to read them than to absorb their contents.

Acquire the art of detachment, the virtue of method, and the quality of thoroughness, but above all the grace of humility.

Beware of people who call you 'Doc.' They rarely pay their bills.

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.