Exodus 7:16

Then say to him, 'The LORD, the God of the Hebrews, has sent me to say to you: Let my people go, so that they may worship me in the desert. But until now you have not listened.

(New International Version)

'You shall say to him, 'The LORD, the God of the Hebrews, sent me to you, saying, 'Let My people go, that they may serve Me in the wilderness. But behold, you have not listened until now.'

(New American Standard Bible)

And thou shalt say unto him, The LORD God of the Hebrews hath sent me unto thee, saying, Let my people go, that they may serve me in the wilderness: and, behold, hitherto thou wouldest not hear.

(King James Version)