When you realize that you are wrong, then you are still right; if you continue to make mistakes, it is an unforgivable mistake

Move on (learn) when you see good things, and change when you have made mistakes. change. "Book of Changes; Yi; Xiang"

72. Don’t hesitate to change your past. "Shang Shu; Zhong Hui (huǐ)'s Edict"

73. If you don't be prepared when dealing with others, if you fail to detect yourself. "Shang Shu; Yi Xun"

74. Who has no fault? If you can change your past, there is no greater good. "Zuo Zhuan; The Second Year of Xuangong"

75. To make mistakes without correcting them is to make mistakes. "The Analects of Confucius; Wei Linggong": If you make a mistake and don't correct it, this is really called a mistake.

76. Using copper as a mirror, you can straighten your clothes; using ancient times as a mirror, you can know the ups and downs; using people as a mirror, you can know gains and losses. "Old Tang Book; Biography of Wei Zheng"

77. Those who speak are not guilty, but those who hear are warned. Bai Juyi's "Nine Books of the Yuan Dynasty"

78. It is unwise to make mistakes without knowing them; it is not courageous to know things but not be able to change them. Li Gou's "Ninth Book of Changes"

79. If you hear it, you will be happy. If you know your mistakes, you will not hide them and you will not be afraid to correct them. Lu Jiuyuan "With Fu Quanmei"

80. If there are any, then correct them; if not, then encourage them. Zhu Xi's "Collected Commentary on Chapters and Sentences of the Four Books;; Collection of Commentary on the Analects of Confucius; Volume 1"

81. It is not more valuable than having no faults, but it is more valuable than being able to correct them. Wang Shouren's "Repair"

82. Qin's evil people heard about its mistakes and died, but Han's good plans were heard and prospered. Xue Xuan's "Study Record" Volume 10

83. Correcting one's faults and carrying forward one's good qualities is called self-cultivation. Yan Yuan's "The Words and Deeds of Mr. Yan Xizhai"

84. Loyal advice is unpleasant to the ear and beneficial to action; good medicine is bitter to the mouth and beneficial to illness.

"Zengguangxianwen"