τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
P. and V. πικρῶς, P. ἀνηλεῶς, σχετλίως, V. νηλεῶς, ἀνοίκτως, ἀναλγήτως; see cruelly.