> Genesis 8:21
> And when the LORD smelled the pleasing odor, the LORD said in his heart, "I
> will never again curse the ground because of man, for the imagination of
> man's heart is evil from his youth; neither will I ever again destroy every
> living creature as I have done.
>
> Exodus 29:18 -
> and burn the whole ram upon the altar; it is a burnt offering to the LORD;
> it is a pleasing odor, an offering by fire to the LORD.