That is, I will never cast off all the seed of Israel, (which promise the apostle, Romans 11:1,2, proveth to have been by God made good, notwithstanding the rejection of the great body of that people,) for none but God can either measure the heavens, or pierce to the centre of the earth.
Related Commentaries of Jeremiah 31:37
Jeremiah 31:37
37 Thus saith the LORD; If heaven above can be measured, and the foundations of the earth searched out beneath, I will also cast off all the seed of Israel for all that they have done, saith the LORD.