Who said "A promise made is a debt unpaid"?

This quote is attributed to Catelyn Stark.

A promise made is a debt unpaid - Catelyn Stark

"A promise made is a debt unpaid"

Catelyn Stark

Character in A Storm of Swords

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"Oath or no, a man does what he will"

"The gods don't care if you are good."

"A heart full of love is a heart full of wounds."

"The things we love destroy us every time."