Judith 11:10

10 Please, sir, do not dismiss lightly what Achior told you, but take it seriously, because it is true. No one can harm or conquer our people unless they sin against their God.

Judith 11:10 In-Context

8 We have heard how wise and clever you are. The whole world knows that you are the most competent, skilled, and accomplished general in the whole Assyrian Empire.
9 Achior was rescued by the men of Bethulia, and has told us what he said at your war council.
10 Please, sir, do not dismiss lightly what Achior told you, but take it seriously, because it is true. No one can harm or conquer our people unless they sin against their God.
11 "But you will not suffer any setbacks, nor will you fail to achieve your goal. When the Israelites sin and make their God angry, they will die.
12 Their food supply has already run out, and the water shortage has become serious, so they have decided to kill their livestock and eat foods that God's Law clearly forbids them to eat.
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.