Nobody can tell what is right and what is wrong; what is righteous and what is evil. Even if there is a god and I had his teachings right before me, I would think it through and decide if that was right or wrong myself.

You've eased my boredom for quite a while, haven't you? -Ryuk

An eye for an eye my friend.

L, do you know reapers (shinigami) only eat apples?

Rem: The way to kill a shinigami is to make them fall in love with a human. Misa: What a wonderful way to kill.

College is fun as long as you don't die.

You're just a crazy murderer who's confused himself with a god.... nothing more, nothing less.