'Broken off' in the Bible

Though some of the branches be broken off, and thou, being a wild olive tree, art graft in among them, and made partaker of the root and fatness of the olive tree;

Thou wilt say then, "The branches are broken off, that I might be graft in."

Thou sayest well: because of unbelief they are broken off, and thou standest steadfast in faith. Be not high minded, but fear: