Genesis 7:2
Of every clean beast thou shalt take to thee by sevens, the male and his female: and of beasts that are not clean by two, the male and his female.
Genesis 8:20
And Noah builded an altar unto the LORD; and took of every clean beast, and of every clean fowl, and offered burnt offerings on the altar.
Leviticus 11:1-47
And the LORD spake unto Moses and to Aaron, saying unto them,
Genesis 7:8
Of clean beasts, and of beasts that are not clean, and of fowls, and of every thing that creepeth upon the earth,
Leviticus 10:10
And that ye may put difference between holy and unholy, and between unclean and clean;
Genesis 6:19-21
And of every living thing of all flesh, two of every sort shalt thou bring into the ark, to keep them alive with thee; they shall be male and female.
Deuteronomy 14:1-21
Ye are the children of the LORD your God: ye shall not cut yourselves, nor make any baldness between your eyes for the dead.
Ezekiel 44:23
And they shall teach my people the difference between the holy and profane, and cause them to discern between the unclean and the clean.
Acts 10:11-15
And saw heaven opened, and a certain vessel descending unto him, as it had been a great sheet knit at the four corners, and let down to the earth: