Alter what is changeable,accept what is mutable.我想请问下各位达人高手,

Remember what you should remember,forget what you should forget,alter what is changeable,accept what is mutable.
记住该记住的,忘记该忘记的,改变可以改变的,接受变幻无常的.
mutable 这里可以解释为 变幻无常