"Look, it's one of the great mysteries of the world, I cannot answer that question. I think I'm vaguely blonde. To be perfectly frank, I don't know"

In this quote, Cate Blanchett is revealing her unpredictability and lack of understanding about a particular subject. She refers to it as "one of the fantastic mysteries of the world," showing that it is a complex and difficult issue. She then adds that she can not respond to the concern, additional emphasizing her absence of understanding. The reference of being "vaguely blonde" could be a spirited method of stating that she is not very well-informed or smart on the topic. Finally, she admits that she is not sure and doesn't understand the response, revealing her sincerity and humbleness. In general, the quote showcases Blanchett's humility and self-awareness, as well as the complexity of the topic being discussed.