1 Corinthians 3:11

11Foundationθεμέλιονforγὰρanotherἄλλονno oneοὐδεὶςis ableδύναταιto layθεῖναιbesidesπαρὰthe [one]τὸνbeing already laidκείμενον,whichὅςisἐστινJesusἸησοῦςChristΧριστός·

For no one is able to lay another foundation besides the one already laid, which is Jesus Christ.