...that he would rather have his throat cut than tell a lie

The individual must be educated to such a high degree that he would rather have his throat cut than tell a lie, and would think it easier to be slashed with a sword or pierced with a spear than to utter calumny or be carried away by wrath.

- Abdul Baha

http://reference.bahai.org/en/t/ab/SAB/sab-112.html