Sirach 12:11

Though he humble himself, and go crouching, yet take good heed and beware of him, and thou shalt be unto him as if thou hadst wiped a looking-glass, and thou shalt know that his rust hath not been altogether wiped away.

Though he humble himself, and go crouching, yet take good heed and beware of him, and you shall be to him as if you had wiped a lookingglass, and you shall know that his rust has not been altogether wiped away.

Though he humbles himself and walks bowed down, still be careful and beware of him. You will be to him as one who has wiped a mirror, to be sure it doesn’t completely tarnish.