Genesis 7:2

From all the clean animals you must take for yourself {seven pairs}, a male and its mate. And from the animals that [are] not clean [you must take] two, a male and its mate,

Genesis 8:20

And Noah built an altar to Yahweh, and he took from all the clean animals and from all the clean birds, and offered burnt offerings on the altar.

Leviticus 11:1-47

Then Yahweh spoke to Moses and to Aaron, saying to them,

Genesis 7:8

Of clean animals, and of animals which [are] not clean, and of the birds, and everything that creeps upon the ground,

Leviticus 10:10

and to distinguish between the holy and the unholy, as well as between the unclean and the clean,

Genesis 6:19-21

And of every living thing, from all flesh, you must bring two from every [kind] into the ark to keep [them] alive with you; they shall be male and female.

Deuteronomy 14:1-21

"You [are] children of Yahweh your God; [therefore] you must not gash yourself, and {you must not make your forehead bald} for [the] dead.

Ezekiel 44:23

And they will teach my people [the difference] between what is holy and what is unholy, and [the difference] between unclean and clean they must show them.

Acts 10:11-15

And he saw heaven opened and an object something like a large sheet coming down, being let down to the earth by its four corners,

Treasury of Scripture Knowledge

Summary

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.

Bible References

Every clean

Genesis 7:8
Of clean animals, and of animals which [are] not clean, and of the birds, and everything that creeps upon the ground,
Genesis 6:19
And of every living thing, from all flesh, you must bring two from every [kind] into the ark to keep [them] alive with you; they shall be male and female.
Genesis 8:20
And Noah built an altar to Yahweh, and he took from all the clean animals and from all the clean birds, and offered burnt offerings on the altar.
Deuteronomy 14:1
"You [are] children of Yahweh your God; [therefore] you must not gash yourself, and {you must not make your forehead bald} for [the] dead.
Acts 10:11
And he saw heaven opened and an object something like a large sheet coming down, being let down to the earth by its four corners,

Not

Leviticus 10:10
and to distinguish between the holy and the unholy, as well as between the unclean and the clean,
Ezekiel 44:23
And they will teach my people [the difference] between what is holy and what is unholy, and [the difference] between unclean and clean they must show them.