Psalms 115:10 Midrash

בֵּ֣ית אַ֭הֲרֹן בִּטְח֣וּ בַיהוָ֑ה עֶזְרָ֖ם וּמָגִנָּ֣ם הֽוּא׃

O house of Aaron, trust ye in the LORD! He is their help and their shield!

Read midrashic interpretation of Psalms 115:10: and classical rabbinic exegesis.