τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
be a fixture: P. and V. ἱδρῦσθαι (perf. pass. of ἱδρύειν), μένειν.
fixtures (in a house, etc. ), P. κατασκευή, ἡ.