Who said "A man's word is his honor, or it is nothing."?

This quote is attributed to Davos Seaworth.

A man's word is his honor, or it is nothing. - Davos Seaworth

"A man's word is his honor, or it is nothing."

Davos Seaworth Justice

Character in A Clash of Kings

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"The gods are not done with us yet"

"The gods give with one hand and take with the other"

"Fire consumes, but it also reveals."

"A man must know when to hold and when to fold."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."