The Lord said to Moses and Aaron:
The counsel of the Lord belongs to those who fear him; and his covenant instructs them.
to give direction when there is a state of uncleanness and when a state of cleanness. This is the ritual for scaly infection.
Speak to the Israelites and tell them: When any man has a genital discharge, he is thereby unclean.
(Indeed, the Lord God does nothing without revealing his plan to his servants the prophets.)
Moreover, anything that the unclean person touches becomes unclean itself, and the one who touches such a person becomes unclean until evening.
In times past, God spoke in partial and various ways to our ancestors through the prophets;
