'Unworthy' in the Bible

And Paul and Barnabas spake out boldly, and said, It was necessary that the word of God should first be spoken to you. Seeing ye thrust it from you, and judge yourselves unworthy of eternal life, lo, we turn to the Gentiles.

Or know ye not that the saints shall judge the world? and if the world is judged by you, are ye unworthy to judge the smallest matters?

Wherefore whosoever shall eat the bread or drink the cup of the Lord in an unworthy manner, shall be guilty of the body and the blood of the Lord.