'Broken off' in the Bible

Supposing that some of the branches have been broken off, and you, although you were but a wild olive, have been grafted in among the branches and have become a partaker with them of the fatness of the olive tree, do not glory over the branches;

"Branches have been broken off," you say, "that I might be grafted in."

True, through their unbelief they were broken off, and by your faith you stand. Do not be puffed up, but fear;