Authors:

If there were nothing but thought in you, you wouldn't even know you are thinking. You would be like a dreamer who doesn't know he is dreaming. When you know you are dreaming, you are awake within the dream.

Eckhart Tolle (2006). “A New Earth (Oprah #61): Awakening to Your Life's Purpose”, p.45, Penguin
If there were nothing but thought in you, you wouldn't even know you are thinking. You would be like a dreamer who doesn't know he is dreaming. When you know you are dreaming, you are awake within the dream.