You cannot expect your friends to trust you if you don't keep faith with them.

假如你对朋友不守信义， 你就不要指望他们会信任你。

Keep each other safe: Keep faith.

大家注意安全，坚定信心。

On this historic day, let us resolve anew to keep faith with them.

在这个具有历史意义的一天，让我们重新决心对他们保持信心。

We're reaffirming our commitment to always keep faith with their families.

我们重申我们的承诺，要始终守信于他们的家人。

Continue to what you aspire to keep faith, even if not now, maybe never.

继续对所向往的东西保持信念，即使现在没有，也许永远得不到。