Reviewing what you have learned and learning anew, you are fit to be a teacher.

© Confucius

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Confucius - Wikipedia
Confucius 孔子 Born551 BC Died479 BC (aged 71–72) Lu, Zhou Kingdom NationalityZhouEraAncient philosophyRegionChinese philosophySchoolConfucianism Main interests Moral philosophy, social philosophy, e...