There was, you remember, a time when we ourselves were foolish, disobedient, misled, slaves to all kinds of passions and vices, living in a spirit of malice and envy, detested ourselves and hating one another.
Do you suppose there is no meaning in the passage of Scripture which asks--'Is envy to result from the longings of the Spirit which God has implanted within you?'
We must not be like Cain, who belonged to the Evil One and killed his brother. And why did he kill him? It was because his life was bad while his brother's was good.