Who said "A man who doesn't know how to hide his feelings is a fool"?

This quote is attributed to Estraven.

A man who doesn't know how to hide his feelings is a fool - Estraven

"A man who doesn't know how to hide his feelings is a fool"

Estraven Wisdom

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'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."