That free will was demonstrated in the placing of temptation before man with the command not to eat of the fruit of the tree which would give him a knowledge of good and evil with the disturbing moral conflict to which that awareness would give rise.
Kids are smart. Knowledge is power. Let them figure things out. Don't turn into that grown-up who they won't come to.
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I awake with a not entirely sickened knowledge that I am merely young again and in a funny way at peace an observer who is aware of time's chariot aware that some metamorphosis has occurred.