Neglect of health is doctor's wealth.
［译］忽视健康，医生财旺。
Never embark on what comes after without having mastered what goes before.
［译］如未掌握好已学过的东西，切莫从事更深的学习。
Never trust another what you should do yourself.
［译］自己应该做的事，决不要委托别人做。