The wise speak only of what they know, Grima son of Galmod. A witless worm have you become. Therefore be silent, and keep your forked tongue behind your teeth. I have not passed through fire and death to bandy words with a serving-man till the lightning falls.' There was a roll of thunder. The sunlight became blotted out from the eastern windows; the whole hall became suddenly dark as night. The fire faded to sullen embers. Only Gandalf could be seen, standing white and tall before the blackened hearth.