72． 一不做，二不休。In for a penny, in for a pound.

　　73． 酒后吐真言。In wine there is truth.

　　74． 事后聪明很容易。It is easy to be wise after the event.

　　75． 得道多助，失道寡助。A just cause enjoys abundant support while an unjust cause finds little.

　　76． 天网恢恢，疏而不漏。Justice has long arms.

　　77． 活到老，学到老。Keep on learning as long as you live.

　　78． 知己知彼，百战不殆。Know the enemy and know yourself, and you can fight a hundred battles without defeat.

　　79． 前事不忘，后事之师。Lessons learned from the past can guide one in the future.

　　80． 同类相吸。Like attracts like.