3 Bible Verses about Sweetness

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

And I went to the angel, telling him to give me the little book. And he saith to me, Take it, and eat it up; and it will make thy stomach bitter, but in thy mouth it will be sweet as honey.

And I took the little book out of the angels hand, and ate it up; and it was in my mouth sweet as honey; and when I had eaten it, my stomach became bitter.