The unspoken rules of doing things, every sentence makes sense. Some principles you must understand. 1. If you don't contact others, they won't contact you either; this is the principle of silent disconnection. 2. When looking for a wife, don't judge by the brand of university she graduated from; look at her upbringing and what kind of person her mother is. 3. Don't pity anyone; open your eyes wide and observe. Those in need of pity often have roots that make people grit their teeth. 4. Save some strength for yourself; don't use all your cards at once. 5. When there are many people, don't shout nicknames; it's not just you losing face. 6. A joke without boundaries can be remembered by others for a lifetime. 7. Giving gifts is a skill; if you learn it well, you can save ten years of detours, but don't let a third person interfere. 8. Walking out halfway during a blind date, everyone understands what it means. 9. Don't think too little of yourself; others will take advantage and step on you. 10. Experience is real gold; even if you have to sell everything, save it. 11. Good words, no matter how fake, make others feel comfortable; honest words, no matter how true, are useless if they hurt. 12. Don't casually browse your partner's phone; that's throwing trust on the ground and stepping on it. 13. When dealing with people, don't open your heart in shallow relationships; leave some room. 14. Be polite to workers during renovation; a few less complaints can save a lot of trouble. 15. Hard to find a good man? It's not that there aren't any, but they don't leak out. 16. When guests come home, pour tea to seven parts, serve rice to eight parts, fill wine to ten parts. 17. When riding with someone, close the door gently when getting out; a bang can make the driver uncomfortable for three days. 18. Stay away from complainers unless you're willing to be a trash can. 19. Two warnings are enough; beyond that, it's just talking to a wall. If the channel is wrong, no one can wake you up. 20. Focus on big things without shouting around. 21. Look more at the people and things around you while they're still there; it's too late to regret after they're gone. 22. Stay away from people you don't like at first sight; there's no need to force it. 23. The poorer the circle, the more they love to step on each other; if you can't climb up, drag others down. 24. Be picky before marriage; after marriage, don't fuss too much; turn a blind eye sometimes. 25. Truly exchanging sincerity? Mostly, you'll just get lessons. 26. Stand in your own position, say what you should say, and don't interfere with others. 27. Not many people love you, but many appreciate your abilities. 28. Only praise what others buy; criticizing will only make you unhappy. 29. When asked where you live, it's not concern but weighing how much money you have. 30. If you make a name for yourself outside, your parents will be proud. 31. People who get too close too quickly, be cautious; sweet words often hide knives. 32. Most slip of the tongue are unintentional truths; they hurt the deepest. 33. Relatives and friends, keep in touch if you can; if not, part ways; don't force it. 34. Helping isn't just words; taking real action counts. 35. When interests are involved, the closer the person, the more they love to calculate. 36. Complaining to others, no one truly cares for you; they'll just see it as a joke. 37. Be considerate of others' feelings when speaking; don't just seek to please your own mouth. 38. Don't boast if you're broke; don't show off if you have money; being low-key is not a bad thing. 39. Keep your ambitions and your loved one private; others aren't interested in listening. 40. Don't provoke your immediate supervisor; helping you is one thing, destroying you only takes a sentence. 41. People who jump around in front of others usually lack real skills; they're just bluffing. 42. Don't casually use relationships; save them for critical moments. 43. When visiting friends' homes, don't pour water into ashtrays; small things can cause annoyance. 44. Don't show your dislike on your face; just stay away. 45. When others invite you, put away your phone; don't be a glued-to-phone person. 46. After entering society, remember that three parts are true, seven parts are false; don't take everything too seriously. 47. Women are more likely to marry when poor; men find it harder to marry when poor; this is reality. 48. Don't always think you're at a disadvantage; look up and see how many are worse off than you. 49. Be prepared that lending money to friends may not be recovered. 50. During gatherings, don't rush to pay the bill; don't always wait for others to pay. 51. Helping others, don't expect gratitude; whether they thank you or not is your business. 52. Don't gossip behind people's backs; if it reaches their ears, the relationship is over. 53. When partnering with others, start with the villains before the gentlemen; keep accounts clear. 54. Don't always focus on others' good points; walk your own path. 55. When talking to elders, argue less, nod more; they care about face. 56. Don't post too much on social media; happiness or suffering, keep some for yourself; no one wishes you well. 57. When asking for help, lower your attitude; being tough won't solve problems. 58. When arguing, say fewer harsh words; leave a way out for yourself unless you want to cut ties. 59. Don't place all your hopes on others; relying on yourself is the most stable. 60. Don't casually interfere in others' family affairs; advise reconciliation, not separation; you'll be in trouble with both sides. 61. Don't always think you know everything; listen to others; you'll find things you haven't thought of. 62. Don't casually give others advice; if wrong, you'll be responsible; if right, you gain nothing. 63. Don't bring work home; home is for rest, not a battlefield. 64. Don't always compare yourself to others; your life is your own; just live well. 65. Don't easily believe promises; no matter how good they sound, if not fulfilled, they're empty. 66. Don't show off your kids in front of others; too much praise can be annoying. 67. Lastly, learn to keep quiet, listen more, speak less; trouble often comes from words, not jokes.