Who said "I had been afraid of the cold, but not of anything else"?

This quote is attributed to Genly Ai.

I had been afraid of the cold, but not of anything else - Genly Ai

"I had been afraid of the cold, but not of anything else"

Genly Ai Fear

Character in The Left Hand of Darkness

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"A frozen world is nothing to a man who knows the heat."

"How could you trust something that could become the opposite sex at any moment?"

"I do not know how to explain to you the extreme sense of isolation I feel."

"I had been afraid of the wrong thing, all along."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."