How we cite our quotes: All quotations are from Thor.
Quote #1
ODIN: Humanity would not face this threat alone. Our armies drove the frost giants back into the heart of their own world. The cost was great. In the end, their king fell, and the source of their power was taken from them.
Stop and think about this for a minute: the Asgardians live for thousands of years. They're practically immortal and their world is a paradise. Yet they put it all on the line to save the Earth, at a time when we were bashing each other on the head with clubs and setting enemies on fire because we thought it was fun. Why? Because they believed in our potential and were willing to give up everything to protect it. That's the kind of sacrifice Thor hasn't figured out yet.
Quote #2
FRIGGA: He kept the truth from you so you would never feel different. You are our son, Loki. And we your family.
Way to go Mom. She's speaking the words here that Loki needs to hear: Odin made a sacrifice to help Loki as a child, and Loki needs to remember that.
Quote #3
THOR: My friends, I'm just a man. I'll only get in the way or worse: get one of you killed. But I can help get these people to safety.
Atta boy. This is the first time we see Thor acting in a truly selfless manner: not for his glory or the general thrill of bashing people with a giant hammer, but stepping in harm's way to get some innocent people out of it.