πάντες γὰρ οἱ λαβόντες μάχαιραν ἐν μαχαίρῃ ἀπολοῦνται → all they that take the sword shall perish with the sword
smooth: P. and V. λεῖος.
fixed: use P. and V. πεπηγώς (perf. part. of πηγνύναι).
