Who said "I came as an observer and became a participant"?

This quote is attributed to Genly Ai.

I came as an observer and became a participant - Genly Ai

"I came as an observer and became a participant"

Genly Ai Change

Character in The Left Hand of Darkness

Buy "The Left Hand of Darkness" on Amazon

"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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."