The night is dark and full of terrors.

The line is associated with George R. R. Martin’s A Song of Ice and Fire world as a devotional saying of the followers of R’hllor (the Lord of Light). In the novels, it functions as a ritual call-and-response used by red priests and their adherents to frame darkness—literal night and metaphorical evil—as an ever-present threat that must be opposed by fire and faith. The phrase became far more widely known through HBO’s adaptation Game of Thrones, where it is repeatedly spoken in scenes involving Melisandre and Stannis Baratheon’s camp, helping to define the religion’s apocalyptic worldview and its political influence in Westeros.

On its surface, the sentence is a stark memento of vulnerability: night is when sight fails and danger multiplies. In Martin’s setting it also works as propaganda and theology. By insisting that darkness is “full of terrors,” the speaker primes listeners to accept extreme measures—sacrifice, war, obedience to priests—as necessary defenses. The line’s power lies in its simplicity and rhythm: it compresses a cosmic struggle into a memorable maxim, turning fear into a communal identity. It also resonates beyond the fantasy context as a general statement about how societies narrate uncertainty and threat.