I understand where you're coming from, this is not a collaboration but as you mentioned, the content is presented in written format which is a bit more easily searchable.

These are just some phrases and not "quoting people's thoughts", I did not consider adding quotation marks to each phrase.

I have added relevant credits every place possible (on web as well as code repo). I'll be happy to make the intent more clear if you have any ideas on how you would feel it can be best represented.