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. 

Psalm 127:4-5a

No discipline seems pleasant at the time, but painful. Later on, however, it produces a harvest of righteousness and peace for those who have been trained by it. 

Hebrews 12:11

Fathers, do not exasperate your children; instead, bring them up in the training and instruction of the Lord. 

Ephesians 6:4

Let the little children come to me, and do not hinder them, for the kingdom of heaven belongs to such as these. 

Matthew 19:14

Train up a child in the way he should go, and when he is old, he will not depart from it.

Proverbs 22:6