如果一个目的是正当而必须做的
如果一个目的是正当而必须做的，
则达到这个目的的必要手段也是正当而必须采取的。
When an end is lawful and obligatory,
the indispensable means to it are also lawful and obligatory.
如果一个目的是正当而必须做的，
则达到这个目的的必要手段也是正当而必须采取的。
When an end is lawful and obligatory,
the indispensable means to it are also lawful and obligatory.
