“The true mind can weather all the lies and illusions without being lost. The true heart can touch the poison of hatred without being harmed. Since beginningless time, darkness thrives in the void, but always yields to purifying light.“
─ Lion Turtle
“Love is brightest in the dark.”
─ Oma & Shu
“You think you’re any different from me, or your friends, or this tree? If you listen hard enough, you can hear every living thing breathing together. You can feel everything growing. We’re all living together, even if most folks don’t act like it. We all have the same roots, and we are all branches of the same tree.”
“Pride is not the opposite of shame, but its source. True humility is the only antidote to shame.”
─ Uncle Iroh
“The greatest illusion of this world is the illusion of separation. Things you think are separate and different are actually one and the same. We are all one people, but we live as if divided.”
Katara and Ty Lee questioning how Aang and Zuko have shut themselves off emotionally, pretending like they do not care (for Aang, it’s about losing Appa; for Zuko, it’s about his past), even though they certainly do.
Aang is trying to distance himself because of what his anger did to him in “The Desert.” For Zuko, he’s trying to sort everything out, and he just gives into his anger.