Zaj txwv thiab roj tshuab npog yaj muaj zog dua li tshuab loj; lawv yog tshuab pib uas pab tau rau kev lag luam hluav taws xob kom muaj kev siv tshuab ntau, kev tsim khoom meej pem, thiab kev ceev ntau. Qhov tseeb ntawm lawv yog tias lawv tuaj yeem daws qhov teeb meem uas nyob deb mus ib txhis uas tsis tau daws los sawv ntxov. Rau cov neeg tsim kho tshuab, phau, khoom lag luam, thiab khoom tsev, kev npog yaj, roj, thiab duv feem ntau siv neeg ua haujlwm, uas yog kev ua haujlwm nyuaj, tsis meej pem, thiab tsis txaus siab. Qhov no tsim kev tsim kho khoom tsis meej pem, khoom tsis zoo, khoom tsis txaus, thiab nqi siv neeg loj. Tshuab no pab npog yaj, roj, thiab duv nrog kev meej pem thiab siv tshuab ntau. Qhov no pab tau rau khoom zoo dua thiab pab tau rau lub leej xeem. Ntawv tseem pab rau kev lag luam muaj kev ceev ntau, pab tau rau kev lag luam ua tau ntau dua thiab pab tau rau kev lag luam muaj kev nyab xeeb dua. Nyob hauv qhov chaw uas nqi siv neeg loj dua, kev sau nqi rau tshuab npog yaj yog kev pab tau rau kev lag luam kom tsis tas sau nqi ntau rau neeg, kom nqi tsim kho khoom tsis loj, thiab pab tau rau neeg ua haujlwm zoo dua thiab pab tau rau kev nyab xeeb nyob hauv chaw ua haujlwm. Yog li, qhov sau nqi no yog qhov tseem ceeb rau kev lag luam kom muaj kev ceev ntau, kom khoom zoo, thiab kev ceev ntau dua—qhov kawg uas pab tau rau kev lag luam kom muaj kev nyab xeeb, kom nqi tsis loj, thiab kom muaj kev ceev ntau.