"I never look forward, because I have no idea about how any of it happened to getting here. I've no idea how the next five years are going to be"

In this quote, Paul McCartney reveals his uncertainty about the future. He states that he does not look forward because he has no understanding of how he got to where he is now. This could describe his success as a musician and the course that led him to it. He then goes on to say that he has no concept how the next five years will unfold. This shows his humbleness and approval of the unidentified. McCartney may be acknowledging that in spite of his past experiences, he can not predict or manage what will occur in the future. This quote highlights the importance of living in the present and welcoming the unknown.