《资治通鉴·唐纪·唐纪十二》
庚申，太宗下制令： 从即日起有自残身体者，依法加重罪行，并且仍要交赋服役。 
庚申，制： 自今有自伤残者，据法加罪，仍从赋役。 
On Geng Shen day, Emperor Taizong issued an edict: "Starting from today, anyone who injures his or her own body will be severely punished even if he or she is willing to continue providing tax and labor services.