Considering the quotes have an unknown, and almost certainly not public domain or CC BY-SA license[1], they wouldn't be appropriate for any Wikimedia project.
[1] And even if submitting required licensing the contribution under some Wikimedia-friendly license, considering each person included in a quote would also have to agree to such a license... and I have a feeling bloodninja wasn't following up their conversations with "would you mind sending me a signed release of the above six (6) messages under a Creative Commons Attribution-ShareAlike license version 3.0?"
[1] And even if submitting required licensing the contribution under some Wikimedia-friendly license, considering each person included in a quote would also have to agree to such a license... and I have a feeling bloodninja wasn't following up their conversations with "would you mind sending me a signed release of the above six (6) messages under a Creative Commons Attribution-ShareAlike license version 3.0?"