Genesis 7:15

So they went into the ark with Noah, two by two of all living beings in which there was the breath and spirit of life.

Genesis 6:19-20

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

Isaiah 11:6

And the wolf will dwell with the lamb,
And the leopard will lie down with the young goat,
And the calf and the young lion and the fatted steer together;
And a little child will lead them.

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