The practice of medicine will be very much as you make it - to one a worry, a care, a perpetual annoyance; to another, a daily job and a life of as much happiness and usefulness as can well fall to the lot of man, because it is a life of self-sacrifice and of countless opportunities to comfort and help the weak-hearted, and to raise up those that fall.
William OslerLet each hour of the day have its allotted duty, and cultivate that power of concentration which grows with its exercise.
William Osler