יְהוָ֥ה צְבָא֑וֹת אַֽשְׁרֵ֥י אָ֝דָ֗ם בֹּטֵ֥חַ בָּֽךְ׃
만군의 여호와여 주께 의지하는 자는 복이 있나이다
Sefer HaMiddot
6. An effective way to nullify fear is to say "Hashem Tzva-os" (t.n. This is probably an inference to the verses in Psalms 46:8, 84:13, 20:10. These three verses are found together throughout the prayers and are known for their saving powers).