John 3:8

8Theτὸwindπνεῦμαwhereὅπουit wishesθέλειblowsπνεῖ,andκαὶtheτὴνsoundφωνὴνof itαὐτοῦYou hearἀκούεις,butἀλλ’notοὐκyou knowοἶδαςfrom whereπόθενit comesἔρχεταιandκαὶwhereποῦit goesὑπάγει·thusοὕτωςisἐστὶνeveryoneπᾶςὁhaving been bornγεγεννημένοςofἐκtheτοῦSpiritπνεύματος.

The wind blows where it wills, and you hear the sound of it, but you do not know from where it comes and where it goes. Thus is everyone having been born of the Spirit.”