How much suffering and death could be avoided by following such principles! ​ — Leviticus 11: 32 - 38; Numbers 19: 11, 12; Deuteronomy 23: 9 - 14.
( 3. Mozus 11: 32 — 38; 4. Mozus 19: 11, 12; 5. Mozus 23: 10 — 15.)