Either you knew Cersei was lying and let me believe otherwise, or you didn't know at all. Which makes you either a traitor or a fool.
Dracarys
You are small men. None of you are fit to lead the Dothraki. But I am
Swear this to me Varys, if you ever think I'm failing the people, you won't conspire behind my back. You'll look me in the eye as you have done today, and you'll tell me how I'm failing them