Who said "Treachery is a matter of perspective."?

This quote is attributed to Estraven.

Treachery is a matter of perspective. - Estraven

"Treachery is a matter of perspective."

Estraven Philosophy

Character in The Left Hand of Darkness

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"One cannot simply walk away from one's kethil."

"Winter is the time for stories, not for traveling."

"Forsivin! I had no forgiveness coming."

"Love is a country where borders are dreams."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."