"Honey, I am the chief of my train. If critics want to hop on board, fantastic. There's plenty of room. The KP train is fun"

This quote by Katy Perry is a metaphor for her life and career. She is the "chief of her train," meaning she is in control of her own destiny. She is open to criticism and feedback, however ultimately she is the one who decides which instructions her life and profession will take. She is welcoming critics to join her on her journey, however she is likewise positive that she supervises which her train is entering the right direction. She is also highlighting that her journey is fun and enjoyable, and that she is not scared to take dangers and try new things. This quote is a suggestion that we are all in control of our own lives which we need to not hesitate to take risks and take pleasure in the flight.