Goals must be clear, faith must be firm.

目标要明确，信念要坚定。

youdao

To do this, we must establish a firm faith in our actions and be ready to devote ourselves to them.

为此我们必须树立坚定的信念，并且准备为之献身。

youdao

B conviction (belief) : to do everything should have firm faith.

b信念(belief)：做每一件事情都要有坚定的信念。

youdao

And yet, even then, his faith held firm.

WHITEHOUSE: President Obama Awards Chaplain Emil Kapaun the Medal of Honor | The White House

Well, Benedict basically summed up the basic theme of his trip to Poland, whose motto has been stand firm in your faith.

NPR: Pope's Tour of Poland Ends with Visit to Auschwitz

Spanghero denies the allegation and says it is a victim of its Romanian supplier - but when French officials temporarily suspended Spanghero's licence, they said the Romanian firm had acted in good faith.

BBC: Q&A: Horsemeat scandal