Final answer:
The character Cherry from 'The Outsiders' is the one who said the quote addressed in the question.
Step-by-step explanation:
The quote, "No, not innocent. You've seen too much to be innocent. Just not...dirty." was said by Cherry in the novel 'The Outsiders' by S.E. Hinton. This line reflects Cherry's perception of the main character, Ponyboy, and his brothers. Despite the hardships and violence they've witnessed as part of their lives in a gang, she recognizes a quality of purity in Ponyboy that sets him apart from being considered corrupt or morally tainted.