If one added up the time that apprentices ended up working directly on materials in those years, it would amount to more than 10, 000 hours, enough to establish exceptional skill level at a craft.

FORBES: Why Apprenticeships Are the Fastest Way to Acquire Skills

Watching the intensity of his work from moment to moment, child by child, is a demonstration of craft exercised on a level at which skill and love have become indistinguishable.

NEWYORKER: To Be and to Have