Who said "I had become what I never thought I could be."?

This quote is attributed to Genly Ai.

I had become what I never thought I could be. - Genly Ai

"I had become what I never thought I could be."

Genly Ai

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."