The Master said, At fifteen I set my heart upon learning. At thirty, I had planted my feet firm upon the ground. At forty, I no longer suffered from perplexities. At fifty, I knew what were the biddings of Heaven. At sixty, I heard them with docile ear. At seventy, I could follow the dictates of my own heart; for what I desired no longer overstepped the boundaries of righ.
When abroad, behaveto everyone as if interviewing an honored guest; in directing the people, act as if you were assisting at a great sacrafice; DO NOT DO TO OTHERS AS YOU WOULD NOT LIKE DONE TO YOURSELF: so there will be no murmuring against you in the country, and none in the family; your public life will arouse no ill-will nor your private life any resentment.
When you serve your mother and father it is okay to try to correct them once in a while. But if you see that they are not going to listen to you, keep your respect for them and don't distance yourself from them. Work without complaining.
Earnest in practicing the ordinary virtues, and careful in speaking about them, if, in his practice, he has anything defective, the superior man dares not but exert himself; and if, in his words, he has any excess, he dares not allow himself such license.