LXX Gen 15:5

ἐξήγαγεν δὲ αὐτὸν ἵξω καὶ εἶπεν πρὸς αὐτὸν Ἀν’άβλεψον δὴ εἰς τὸν οὐρανὸν καὶ ἀρίθμησον τοὺς ἀστέρας, εἰ δύνῃ ἐξαριθμῆσαι αὐτούς. καὶ οὕτως ἔσται τὸ σπέρμα σου.

And the LORD took him outside and said, “Now look to the heavens and count the stars, if you are able.” Then He told him, “So shall your offspring be.”