3 Bible Verses about Sweetness

Does a spring pour forth from the same opening both fresh and bitter water?

So I went to the angel, telling him to give me the little scroll. And he said to me, "Take it and eat it; it will make your stomach bitter, but in your mouth it will be sweet as honey."

I took the little scroll from the angel's hand and ate it, and in my mouth it was sweet as honey; but when I had eaten it, my stomach was made bitter.