Here is 1 Corinthians 14:2 in the Koine Greek along with a transliteration and English translation:
Koine Greek Text
1 Corinthians 14:2
“ὃς γὰρ λαλεῖ γλώσσῃ, ἀνθρώποις οὐ λαλεῖ, ἀλλὰ τῷ θεῷ· οὐδεὶς γὰρ ἀκούει, πνεύματι δὲ λαλεῖ μυστήρια.”
Transliteration
“Hos gar lalei glōssē, anthrōpois ou...