1. A gentleman does not mirror water, but mirrors people. If a mirror is held in water, one can see one's appearance; if one is held in a mirror, one can know good or bad luck.

Explanation A gentleman does not use water as a mirror, but uses other people as a mirror. If you use water as a mirror, you can see your appearance; if you use a person as a mirror, you can know good or bad luck.

2. Don’t respond without being prepared.

Definition: Same as "sudden", referring to sudden events. The general idea of ??these two sentences is: If you don't think about how to deal with the incident in advance, you can't cope with sudden changes.

3. If you love others, others will love them; if you benefit others, others will benefit from them; if you hate others, others will hate them; if you harm others, others will harm you.

Interpretation: If you love others, others will love you; if you are beneficial to others, others will benefit you; if you hate others, others will hate you; if you harm others, others will also harm you.