“No matter what the thing is, put your conscience into it; do your best.”
Work gains moral weight when effort and conscience remain present even in tasks that seem small, routine, or unlikely to attract praise.
Source details
Character Building, “What Is To Be Our Future?”, Project Gutenberg #60484. Washington asks whether Tuskegee will remain worthy of public confidence and answers by requiring each student and worker to put conscience and full effort into every kind of work.