Psalms 62:3 Midrash

אַךְ־ה֣וּא צ֭וּרִי וִֽישׁוּעָתִ֑י מִ֝שְׂגַּבִּ֗י לֹא־אֶמּ֥וֹט רַבָּֽה׃

He only is my rock and my salvation, My high tower, I shall not be greatly moved.

Read midrashic interpretation of Psalms 62:3: and classical rabbinic exegesis.