It is not in heaven, that you should say, ‘Who will ascend to heaven for us and bring it to us, that we may hear it and do it?’
Moses here urges them to obedience from the consideration of the plainness and easiness of the command. I. This is true of the law of Moses. They could never plead in excuse of their disobedience that God had enjoined them that which was either unintelligible or impracticable, impossible to be known or to be done (Deu 30:11): It is not hidden from thee.
Commenting on Deuteronomy 30:11-14
It is not in heaven,.... The scheme of it was formed in heaven, it was hid in the heart of God there, before revealed; it was ordained before the world was for our glory; it was brought down from thence by Christ, and committed to his apostles and ministers of the word to preach it to men; and has been ever since continued on earth...
THE COMMANDMENT IS MANIFEST. (Deu 30:11-14) For this commandment . . . is not hidden . . . neither is it far off--That law of loving and obeying God, which was the subject of Moses' discourse, was well known to the Israelites. They could not plead ignorance of its existence and requirements.
Commenting on Deuteronomy 30:11-14