Rabbi Chizkiyah, Rabbi Yaakov bar Acha [and] Rabbi Yasa said in the name of Rabbi Yochanan: Never let this pasuk leave your mouth: “Hashem, Master of Legions, is with us; the G-d of Yaakov is our stronghold, Selah” (Tehillim 46:8). Rabbi Yose the son of Rabbi Avun [said]: Rabbi Abahu, in the name of Rabbi Yochanan and the colleagues, [said the same of]: “Hashem, Master of Legions, fortunate is the man who trusts in You” (Tehillim 84:13).