81、一日练，一日功，一日不练十日空。
Practice one day, work one day, do not practice ten days a day.
82、土中生白玉，地内出黄金。
White jade grows in the earth, and gold comes out in the earth.
83、外举不避仇，内举不避亲。
External revenge does not evade enemy, internal revenge does not evade relatives.
