Today it is the specialist who is sought after. This is particularly true of the professions, and in those trades that ought to be called professions, where a high degree of skill and technical knowledge are required. It is well known that no man “knows it all,” though it is quite possible that a man may know all that is known about one branch of trade or profession, if he follows it closely.
Every day, as it closes, leaves the world richer in knowledge, and the aggregation of many days produces a store of learning which vastly increases the quantity which the beginner must master ere he approaches proficiency. A couple of centuries ago all the world knew of the healing art was within easy grasp of any average intelligent person. Now there is no living physician, however eminent, who pretends to have mastered, or even to be moderately versed in all the details of medicine and surgery. So it is with science, with law, with mechanics, and, of course, and particularly so in the building trades.
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