And the Lord answered him: "Can the hand of the Lord be ineffective? Soon now, you shall see whether my word will be fulfilled in this work.
Other versions
King James Version
And the LORD said unto Moses, Is the LORD'S hand waxed short? thou shalt see now whether my word shall come to pass unto thee or not.English Standard Version
And the LORD said to Moses, "Is the LORD's hand shortened? Now you shall see whether my word will come true for you or not."New International Version
The LORD answered Moses, "Is the LORD's arm too short? You will now see whether or not what I say will come true for you."