Mistakes are the doorway to discovery.
Occasional kindness does not cancel out cruelty. Hitting is never acceptable under any circumstances.
Books in your head help no one.
Bullies are masters at holding others responsible for their misbehavior. Instead of claiming "the devil made me do it", they argue "You made me do it".
If they can't repeat it, they didn't get it.
One sign of an excellent speech? 'Can people repeat something they heard, word for word?'