σέβεσθαι
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 Verbs Reversed)
(see also σέβομαι): revere, reverence, worship, view with awe