Who said "I will be your sword."?

This quote is attributed to Jaime Lannister.

I will be your sword. - Jaime Lannister

"I will be your sword."

Jaime Lannister

Character in A Game of Thrones

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"There are no men like me. Only me."

"There is no shame in fear, only in how you choose to face it."

"You're my lightning"

"The greatest swords are wielded by those with the greatest conviction"