《礼记·王制》
凡根据五刑条文进行判决时，一定要合乎天理，使刑罚与罪行相当。
邮罚丽于事。凡听五刑之讼，必原父子之亲、立君臣之义以权之。
When a judgement is made according to the five types of punishments, it is important to be in accordance with Heaven's mandate, and to ensure that the punishment matches the crime.