τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
ὀμῑλητής: οῦ ὁ слушатель, ученик Xen., Luc., Plut.