Genesis 7:15

And they went in unto Noah into the ark, two and two of all flesh, wherein is the breath of life.
— Genesis 7:15, King James Version

In other translations

World English Bible (WEB)

They went to Noah into the ark, by pairs of all flesh with the breath of life in them.

American Standard Version (ASV)

And they went in unto Noah into the ark, two and two of all flesh wherein is the breath of life.

Young's Literal Translation (YLT)

And they come in unto Noah, unto the ark, two by two of all the flesh in which <FI>is<Fi> a living spirit;