Genesis 15:5

Ἐξήγαγε δὲ αὐτὸν ἔξω, καὶ εἶπεν αὐτῷ, ἀνάβλεψον δὴ εἰς τὸν οὐρανὸν, καὶ ἀρίθμησον τοὺς ἀστέρας, εἰ δυνήσῃ ἐξαριθμῆσαι αὐτούς· καὶ εἶπεν, οὕτως ἔσται τὸ σπέρμα σου.