No More Learning

[973] Slight not aught of these things when on thy guard for rain, and heed the warning, if beyond their wont the midges sting and are fain for blood, or if on a misty night snuff gather on the nozzle of the lamp, or if in winter’s season the flame of the lamp now rise steadily and anon sparks fly fast from it, like light bubbles, or if on the light itself there dart quivering rays, or if in height of summer the island birds are borne in           companies.