One must never be false to one's friend.

此人从不真心诚意，老是虚虚假假的。

youdao

Rather than could be valid. That can never be false.

而不是可能有效，这不可能为假。

youdao

The truth is, though, I would rather be striving toward that ideal my entire life and never see it realized, then surrender to live searching for some false sense of security (and to merely survive).

事实是，虽然倾尽我所有的努力向我的目标去拼搏却什么也没有达成，生活能让人感受到一种安全的错觉，而我又必须向它低头。

youdao

They resist at all costs the temptation to justify the actions they took yesterday or last year or a decade ago (which the voters heartily endorsed), and admit openly and gratefully that all of these were a terrible mistake, based on a false premise, exhibiting an unforgivable arrogance, that they will never be stupid enough to pursue, believe or exhibit ever again.

ECONOMIST: William Hague��s ever so humble pie

We might never know who attacked us, since a ship-launched EMP could be done under a false flag, and so millions of Americans murdered anonymously.

CENTERFORSECURITYPOLICY: Nuclear storm warnings?