Who said "You cannot trust words, but you can trust silence"?

This quote is attributed to Estraven.

You cannot trust words, but you can trust silence - Estraven

"You cannot trust words, but you can trust silence"

Estraven Truth

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."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."