When Pharaoh shall speak unto you, saying, Shew a miracle for you: then thou shalt say unto Aaron, Take thy rod, and cast [it] before Pharaoh, [and] it shall become a serpent.
Jewish Publication Society of America Version (JPS1917) - Exodus 7:9 >'When Pharaoh shall speak unto you, saying: Show a wonder for you; then thou shalt say unto Aaron: Take thy rod, and cast it down before Pharaoh, that it become a serpent.'