Heaven and earth are ruthless, and treat the various creatures as straw dogs; the sage is ruthless, and treats others as straw dogs.
He who stands on tiptoe does not stand firm.
Praise and disgrace cause fear.
Heavy is the root of light.
The best of all teachers is the one who helps people so that eventually they don't need him.
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'.