'Concerning' in the Bible

For He did not subject to angels the world to come, concerning which we are speaking.

For He has said somewhere concerning the seventh day: “And God rested on the seventh day from all His works”;

Concerning him we have much to say, and it is hard to explain, since you have become dull of hearing.

But, beloved, we are convinced of better things concerning you, and things that accompany salvation, though we are speaking in this way.

For the one concerning whom these things are spoken belongs to another tribe, from which no one has officiated at the altar.

For it is evident that our Lord was descended from Judah, a tribe with reference to which Moses spoke nothing concerning priests.

By faith Joseph, when he was dying, made mention of the exodus of the sons of Israel, and gave orders concerning his bones.