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赏而不诚不劝也,弄而不诚不戒也。
奖赏不正确,没有鼓励作用;施刑不正确,也起不到惩戒作用。
Drawing is rather like playing chess: your mind races ahead of the moves that you eventually make.
A mathematician is a device for turning coffee into theorems.
疫苗的安全性和有效性是其研发中最重要的标准。
The brain is still forming in our 20s, which means it's more open to change.