"There is no greater pleasure in ordinary life, so-called, than to see a bus-conductor, a teacher, anybody, really engrossed in his work, with no thought of its relative or absolute value, with no thought of its interest or profit to himself or others." R.H. Blyth, Zen in English Literature and Oriental Classics (1942, 2016 reprint by Angelico Press), p. 7
The left hemisphere, harnessed, its own machinations not mucking up the works.