17 `Thus said Jehovah: By this thou knowest that I [am] Jehovah; lo, I am smiting with the rod which [is] in my hand, on the waters which [are] in the River, and they have been turned to blood,
17
This is what the LORD says: By this you will know that I am the LORD: With the staff that is in my hand I will strike the water of the Nile, and it will be changed into blood.
Young's Literal Translation is in the public domain.