I refuse to be defined by my failures; they are my lessons. - Lady Sif

"I refuse to be defined by my failures; they are my lessons."

Lady Sif

More from Lady Sif

"I am a warrior of Asgard, and I will not falter in the face of darkness."

"Strength is not measured by the power of one's blade, but by the resolve of one's heart."

"A true friend stands beside you, not behind you."

"We are forged in battle, but refined through compassion."