Seal the openings, shut the doors, and until your last day you will not be exhausted. Widen the openings, interfere, and until your last day you will not be safe.
When good thing are accomplished, it does not claim (or name) them. This is Te, which is close in meaning to power or virtue. It is something within a person, and it is enhanced by following the Tao, or 'that from which nothing can deviate'.