《周礼·秋官司寇·司民&掌戮》
凡盗贼中原来有爵位的和七十岁以上的，以及尚未换牙的小儿，都不罚做奴隶。
凡有爵者，与七十者；与未乱者，皆不为奴。
Anyone among the robbers who originally had a title, was over 70 years old, and a young child who had not yet changed teeth would not be punished as a slave.