Exodus 17:5

καὶ εἶπεν κύριος πρὸς Μωυσῆν προπορεύου τοῦ λαοῦ τούτου λαβὲ δὲ μετὰ σεαυτοῦ ἀπὸ τῶν πρεσβυτέρων τοῦ λαοῦ καὶ τὴν ῥάβδον ἐν ᾗ ἐπάταξας τὸν ποταμόν λαβὲ ἐν τῇ χειρί σου καὶ πορεύσῃ