Genesis 8:20-21 NIV

20 Then Noah built an altar to the LORD and, taking some of all the clean animals and clean birds, he sacrificed burnt offerings on it.

References for Genesis 8:20

21 The LORD smelled the pleasing aroma and said in his heart: “Never again will I curse the ground because of humans, even thougha every inclination of the human heart is evil from childhood. And never again will I destroy all living creatures, as I have done.

References for Genesis 8:21