These are the opening words of Psalm 22: “My God, my God, why hast thou forsaken me?”
In the commentary in my old New American Bible says:
“Psalm 22 is one of the most important of the Messianic psalms. Our Lord himself on the cross repeated its first line, and several other verses are directly quoted, or at least alluded to, in the New Testament as pertaining to his Passion. Of no other person is this touching description of spiritual and physical suffering so eminently true as it is of Jesus Christ. Hence, the entire psalm has been traditionally interpreted in the Catholic Church as referring to him. The psalmist, therefore, speaks in Christ’s name when in the first section (2-22) he describes the Messiah’s dereliction * (2-6), opprobrium * (7-9) and physical sufferings (13-19), together with his unshaken confidence in the heavenly Father (10-12 and 20-22); and in the second part, the fruits of his redemption; the grateful praise of the redeemed (23-27), the conversion of the Gentiles (28-30d), and the glory of God and his beloved Son (30e-32).”
On a personal note, it was some years ago, while reading this psalm for the first time, that I received the gift of faith in Jesus.**