Frederick The Great said this quote
“ The cruel man is of misanthropic temperament, and is a man of moods, oscillating from quiet brooding to sudden explosions. If a man like this does not fight this unhappy provision of his soul during his youth, under no circumstances could he a void becoming furious - and foolish. There are those who would leave it up to God, but to ensure justice on the earth, and not fob it off to the Divinity, it is mandatory that people know both virtue and its benefits, since the virtues lead to unity among them, not the war of all against all. Therefore, it is absolutely necessary to conserve them, and show that crime can only return misfortunes and destruction, including of the criminal himself. Who is the last victim of his crimes. ”