Original text
Confucius said: "If you are not angry, you will not blame yourself; if you are not angry, you will not be angry. If you take one corner and do not turn it back with three, it will never be the same."
Translation
Confucius said: "Don't enlighten him until he tries hard to understand it but can't; don't enlighten him until he understands it in his heart but can't express it perfectly. If he can't draw inferences from one example, just Stop giving him examples over and over again.
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Translation:
Kong Zi said that, "Diligently does not want to ravel but does nothave the degree to him not to have to enlighten him; To his heart indid not actually understand cannot consummate the degree whichexpresses not to have to inspire him. If he cannot extrapolate, didnot must again repeatedly give an example to him."