'Trained' in the Bible
"Therefore," He said, "remember that every Scribe well trained for the Kingdom of the Heavens is like a householder who brings out of his storehouse new things and old."
"I am a Jew, born at Tarsus in Cilicia, but brought up in this city. I was carefully trained at the feet of Gamaliel in the Law of our forefathers, and, like all of you to-day, was zealous for God.
Such persons are mere babes. But solid food is for adults--that is, for those who through constant practice have their spiritual faculties carefully trained to distinguish good from evil.
Their very eyes are full of adultery--being eyes which never cease from sin. These men set traps to catch unstedfast souls, their own hearts being well trained in greed. They are fore-doomed to God's curse!