Romans 11:7-10

What then? Israel did not attain that which he was seeking, but the election obtained it, and the rest were hardened:

Romans 11:25

I do not wish you to be ignorant, brethren, as to this mystery, in order that you may not he wise with yourselves, that blindness in part has happened unto Israel, until the fulness of the Gentiles may come in;

2 Corinthians 4:3-4

But if indeed our gospel is hidden, it is hidden with those who are lost:

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
What then? Israel did not attain that which he was seeking, but the election obtained it, and the rest were hardened:
2 Corinthians 4:3
But if indeed our gospel is hidden, it is hidden with those who are lost: