3 Bible Verses about Sweetness

Does a fountain from the same opening send forth sweet water and bitter?

And I went to the angel, and said to him, Give me the little book. And he said to me, Take it, and eat it up: and it shall make thy belly bitter, but in thy mouth it will be sweet as honey.

And I took the little book out of the angel's hand, and ate it up: and it was in my mouth sweet as honey, and when I had eaten it my belly was bitter.