Who said "There was no honorable way to behave dishonorably."?

This quote is attributed to Amir.

There was no honorable way to behave dishonorably. - Amir

"There was no honorable way to behave dishonorably."

Amir

Character in The Kite Runner

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"I became what I am today at the age of twelve, on a frigid December day in 1975."

"When you kill for the first time, you lose your innocence."

"Theft and lying were part of their world."

"I could wade into this river, let my sins drown to the bottom."