Δαφνη Ευτυχια Αρθουρος

"We observe homosexuality across thousands of species, we observe homophobia in one..." -- quoted by Milkshake all Fascists (Advocaat 4 outcast) (karlesendeavour), who doesn't recall where they heard it (see this followup)

Second edit: it may be a paraphrase of Stephen Frye in 2012.