Our fathers trusted in thee: they trusted, and thou didst deliver them.
Our fathers trusted in thee. Since God is the same unchanging Yahweh at all times, in relation to His people, the sufferer pleads in faith that, as God helped the "fathers" who of old trusted in Him, He cannot but help His trusting child now. So may we, too, plead in our distresses (Psalms 44:1). The deliverance of the covenant people out of their Egyptian bondage (Exodus 12:26-27) is especially alluded to; also "all the loving-kindnesses of the Lord toward the house of Israel" on various occasions (Isaiah 63:7).
Were not confounded - i:e., were not put to the shame of disappointment. He repeats thrice "they trusted in thee," in order to mark the inseparable connection between trust in God and deliverance by God.