λανθάνειν ποιῶν τι
From LSJ
τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
Greek > English (Woodhouse)
do a thing imperceptibly, do a thing inadvertantly, do a thing unconsciously, do a thing unobserved, do a thing unperceived, do a thing unseen, do a thing unwittingly
