[ Luke let out a breath. ]

No, and it's not the first time I've heard this either...

[ And now he was wishing his father wasn't so over dramatic and would have stuck around to listen to him. ]

Yes, Anakin; compassion is a form of love. It's selfless love; a means of caring for others beyond your own self. Compassion is essential to being a Jedi, to care for the life that drives the Force, and to know when that life ends, the Force will welcome it back.