כִּשְׂח֣וֹק לִ֭כְסִיל עֲשׂ֣וֹת זִמָּ֑ה וְ֝חָכְמָ֗ה לְאִ֣ישׁ תְּבוּנָֽה׃
愚昧人行惡事如同嬉戲；對明理的人來說，行智慧也是如此。
Duties of the Heart
In a curse: They are the curses, insults, blasphemies, in which the name of G-d is uttered. This is a great disgrace for a believer. Common people already permitted themselves on this until they have reached the ultimate in disgrace, and their intent in this is to emphasize their provocations and increase and aggrandize their insults, and they are similar in this to what the wise man said: "It is as sport to a fool to do wickedness" (Mishlei 10:23), and "on his orphans and his widows He shall not have mercy, for all of them are hypocrites and evil doers, and every mouth speaks obscene language" (Yeshaya 9:16), and "The tongue of the righteous is choice silver" (Mishlei 10:23).