GOOD walking leaves no track behind it;
Good speech leaves no mark to be picked at;
Good calculation makes no use of counting-slips;
Good shutting makes no use of bolt and bar,
And yet nobody can undo it;
Good tying makes no use of rope and knot,
And yet nobody can untie it.
Hence, the Sage is always good at saving men,
And therefore nobody is abandoned;
Always good at saving things,
And therefore nothing is wasted.
This is called "following the guidance of the Inner
Hence, good men are teachers of bad men,
While bad men are the charge of good men.
Not to revere one's teacher,
Not to cherish one's charge,
Is to be on the wrong road, however intelligent one
This is an essential tenet of the Tao.