'Great' in the Bible

The privilege is great from every point of view. First of all, because the Jews were entrusted with God's truth.

For there is a truth, brethren, not revealed hitherto, of which I do not wish to leave you in ignorance, for fear you should attribute superior wisdom to yourselves--the truth, I mean, that partial blindness has fallen upon Israel until the great mass of the Gentiles have come in;