Apprenticeship went the way of old courtesy in most working environments long ago. But apprenticeship is an old courtesy. It was there in the Mystery Schools, in the guild halls, in any place people were willing to marry discipline to the desire for understanding, to sire purposeful lives, achieved and contemplative lives that were indivisible from their daily lives. Discipline: The uncommon rigour of thought and act that you take upon yourself, because of the regard you have for one…