Needful diversions of wealth and of strength from the fields of peaceful industry to the national defense have not arrested the plow, the shuttle,or the ship;

VOA: special.2009.11.23

We not only have a right to our lives but to do whatever we regard as needful to protect our lives.

这种权利不仅适用于我们的生活,还适用于我们所认为的一切可以,维护生活所需的行为。

耶鲁公开课 - 政治哲学导论课程节选

A good law," he says in chapter 30, "is that which is needful for the good of the people."

霍布斯在书的第30章说，一部好的法律,对维护人民的福祉是非常必要的“

耶鲁公开课 - 政治哲学导论课程节选

A good law is needful for the good of the people.

一部好的法律对人民是必要的。

耶鲁公开课 - 政治哲学导论课程节选