Glory not over the branches (mh katakaucw twn kladwn). Genitive case after kata. Present middle imperative second person singular of katakaucaomai with negative mh, "stop glorying" or "do not have the habit of glorying over the branches." The conclusion of the preceding condition. Gloriest (katakaucasai). Late form -aesai retaining . Not thou (ou su). Very emphatic position. The graft was upon the stock and root, though each affected the other.