Truly, you are a hidden God, the God of Israel, the Savior.
Other versions
King James Version
Verily thou art a God that hidest thyself, O God of Israel, the Saviour.English Standard Version
Truly, you are a God who hides yourself, O God of Israel, the Savior.New International Version
Truly you are a God who hides himself, O God and Savior of Israel.