The prophet urges men to search out their faults and amend them.
And turn again to the Lord - Or, “and return to Yahweh.” The prep. (to) in the Hebrew implies not half way, but the whole.
Literally, “Let us lift up our heart unto our hands unto God in heaven;” as if the heart first lifted up the hands, and then with them mounted up in prayer to God. In real prayer the outward expression is caused by the emotion stirring within.