Then shall ye do unto him, as he had thought to have done unto his brother: so shalt thou put the evil away from among you. Then shall ye do unto him as he had thought to have done unto his brother - Nothing can be more equitable or proper than this, that if a man endeavor to do any injury to or take away the life of another, on detection he shall be caused to undergo the same evil which he intended for his innocent neighbor.
Some of our excellent English laws have been made on this very ground. In the 37th of Edw. III., chap. 18, it is ordained that all those who make suggestion shall incur the same pain which the other should have had, if he were attainted, in case his suggestions be found evil. A similar law was made in the 38th of the same reign, chap. 9. By a law of the twelve Tables, a false witness was thrown down the Tarpeian rock. In short, false witnesses have been execrated by all nations.