and slaughter the passover-offering and sanctify yourselves, and prepare for your brethren, to do according to the word of Jehovah by the hand of Moses.'
`And it hath become a charge to you, until the fourteenth day of this month, and the whole assembly of the company of Israel have slaughtered it between the evenings;
in the fourteenth day of this month between the evenings ye prepare it in its appointed season; according to all its statutes, and according to all its ordinances ye prepare it.'