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We must teach goodness as we teach history, chemistry and trigonometry.
If we don't ,evil will triumph.
As the ancient sage Rabbie Issac said of the evil:
At first, it’s a wayfarer and lodger.
At last, it becomes the master of the house.

我们必须像重视历史、化学、三角学一样重视道德（善良）教育，
若非如此，邪恶便会占得上风。
就像古话所讲：
最初邪恶只是路过并借宿，
最终却可能因你的纵容而成为房子的主人。