1 Samuel 14:45
But the people said to Saul, Shall Jonathan, who has wrought this great deliverance to Israel, die? God forbid! As the Lord lives, there shall not one hair of his head perish, for he has wrought this great deliverance with God this day. So the people rescued Jonathan, and he did not die.
2 Samuel 14:11
Then she said, I pray you, let the king remember the Lord your God, that the avenger of blood destroy not any more, lest they destroy my son. And David said, As the Lord lives, there shall not one hair of your son fall to the earth.
1 Kings 1:52
Solomon said, If he will show himself to be a worthy man, not a hair of him shall fall to the ground; but if wickedness is found in him, he shall die.
But not a hair of your head shall perish.
So I urge (warn, exhort, encourage, advise) you to take some food [for your safety] -- "it will give you strength; for not a hair is to perish from the head of any one of you.
1 Corinthians 11:3
But I want you to know and realize that Christ is the Head of every man, the head of a woman is her husband, and the Head of Christ is God.