Look, you will conceive and have a son. You must never cut his hair, for the child will be dedicated to God from birth. He will begin to deliver Israel from the power of the Philistines.”
TSK
TSK · Lamentations 4:7
Treasury of Scripture Knowledge references in NET.
Finally he told her his secret. He said to her,“My hair has never been cut, for I have been dedicated to God from the time I was conceived. If my head were shaved, my strength would leave me; I would become weak, and be just like all other men.”
Cleanse me with hyssop and I will be pure; wash me and I will be whiter than snow.
The Beloved to the Maidens: My beloved is dazzling and ruddy; he stands out in comparison to all other men.
At the end of the ten days their appearance was better and their bodies were healthier than all the young men who had been eating the royal delicacies.
for he will be great in the sight of the Lord. He must never drink wine or strong drink, and he will be filled with the Holy Spirit, even before his birth.