Distinguish the poems in the book that are not well-formed, cut them out, learn the traditional elegance of the Book of Songs, and learn that the wise move forward, and the more teachers there are, this is your real teacher. (Du Fu)
If you have good knowledge, you can get it in a proper way, but if you accumulate it in a proper way, you can get it in a proper way. (Su Shi)
Be knowledgeable, interrogate, think carefully, distinguish clearly and persist. (Book of Rites)
If you don't climb the mountain, you don't know the height of the sky; Don't face the deep stream, I don't know the thickness of the ground. ("Xunzi")
If you don't fly, you will fly to heaven; If you don't sing, it will be a blockbuster. (Sima Qian)
You don't know what people are unless you know what others don't know. (Confucius)