Psalm 89:19
Once you spoke in a vision, to your faithful people you said: “I have bestowed strength on a warrior; I have raised up a young man from among the people.
2 Samuel 5:4,10
David was thirty years old when he became king, and he reigned forty years.
And he became more and more powerful, because the Lord God Almighty was with him.
Psalm 127:3 - 5
Children are a heritage from the Lord, offspring a reward from him. Like arrows in the hands of a warrior are children born in one’s youth. Blessed is the man whose quiver is full of them. They will not be put to shame when they contend with their opponents in court.