Acts 21:24

associate yourself with them, purify yourself with them, pay their expenses so that they may be free to have their heads shaved, and then everybody will understand there is nothing in these stories about you, but that, on the contrary, you are guided by obedience to the Law.

Romans 11:7-10

Now what are we to infer from this? That Israel has failed to secure the object of its quest; the elect have secured it, and the rest have been rendered insensible to it ??8 as it is written, God has given them a spirit of torpor, eyes that see not, ears that hear not ??down to this very day.

Romans 11:25

To prevent you from being self-conceited, brothers, I would like you to understand this secret: it is only a partial insensibility that has come over Israel, until the full number of the Gentiles come in.

2 Corinthians 4:3-4

Even if my gospel is veiled, it is only veiled in the case of the perishing;

Treasury of Scripture Knowledge

Summary

And thou shalt grope at noonday, as the blind gropeth in darkness, and thou shalt not prosper in thy ways: and thou shalt be only oppressed and spoiled evermore, and no man shall save thee.

Bible References

Grope

Romans 11:7
Now what are we to infer from this? That Israel has failed to secure the object of its quest; the elect have secured it, and the rest have been rendered insensible to it ??8 as it is written, God has given them a spirit of torpor, eyes that see not, ears that hear not ??down to this very day.
2 Corinthians 4:3
Even if my gospel is veiled, it is only veiled in the case of the perishing;