On the other hand, charoses is sweet. Matza presents a similar ambiguity. What is interesting is that we see the same duality in the concept of mitvah. We keep mitzvos for a simple reason. G-d told us to.
Mitzvah is built from the passive form, a less probable conjugation.
Mitzvah can be read as the feminization of this root. For no one is more free than one is busy with Torah study. Servitude, simple obedience to G-d. Freedom, doing what is in our best interest. And here is where the two ideas we've been looking at converge.