"Each devoted to one's own duty, a person attains perfection. Hear how one engaged in one's own duty finds that perfection."
Modern explanation
In the middle of the day, return to this: Mastery comes from a long obedience to the work in front of you, not from constant reinvention.
Practical application
Audit the last three hours: which task most belonged to you? Do more of that.
Reflection question
What would change if I treated this ordinary work as sacred?