'All the Days of His Life' in the Bible

And she vowed a vow, and said, O LORD of hosts, if thou wilt indeed look on the affliction of thine handmaid, and remember me, and not forget thine handmaid, but wilt give unto thine handmaid a man child, then I will give him unto the LORD all the days of his life, and there shall no rasor come upon his head.

But Hannah did not go up; for she said to her husband, "Not until the child is weaned; then I will bring him, that he may appear before the LORD, and stay there forever. I will offer him as a Nazirite forever, all the days of his life."

And Samuel judged Israel all the days of his life.