Motto: The aphorism that originally was written on the side of the seat to motivate, alert, and restrain one's behavior. Later, one or a few aphorisms that impress a person in mind or often remind themselves are also called motto. According to the above definition, which of the following statements is not suitable for use as a motto? ['If the sky is old and the sky is old, the right path on earth its vicissitudes.', 'Worry and worry before the world, joy, and happiness after the world.', 'Good words, three warm winters, bad words hurt June cold.', "Hengmei's cold finger on the thousand husbands, bowing his head as a bullock."]