“You will not so much as think of the Source unless I tell you to,” Liandrin said sharply. “Why, if one such as you tried to channel here, in the Ways, you might well go as mad as a man. You have not the training to deal with the taint of those men who made this. If the Black Wind appears, I will deal with it.” She pursed her lips, studying a lump of white cheese. “Moiraine does not know so much as she thinks.”