After she leaves Qarth, Quaithe appears to her in visions that only Daenerys can see. Her advice is as hard to decipher as she is. She tells Daenerys to go east if she wants to go west.
"The glass candles are burning. Soon comes the pale mare, and after her the others. Kraken and dark flame, lion and griffin, the sun's son and the mummer's dragon. Trust none of them. Remember the Undying. Beware the perfumed seneschal."