the fact that the line “darkness thrives in the void but always yields to purifying light” is from the lion turtle to aang in the atla series finale & was used in the turf wars part 3 ending scene between korra & asami in relation to their love is… so powerful………. they didn’t have go that hard but…. they did
“The true mind can weather all the lies and illusions without being lost. The true heart can tough the poison of hatred without being harmed. ‘Though darkness thrives in the void it always yield to purifying light.”