"I suppose I have a highly developed capacity for self-delusion, so it's no problem for me to believe that I'm somebody else"

This quote by Daniel Day-Lewis talks to the power of self-delusion and the capability to become someone else. It recommends that Day-Lewis has a strong capability for self-delusion, which enables him to become another person. This might be translated as a referral to his acting career, where he has the ability to take on the personality of a character and become them. It might likewise be interpreted as a recommendation to his personal life, where he has the ability to take on different roles and identities. In either case, this quote talks to the power of self-delusion and the ability to become someone else. It recommends that Day-Lewis has a strong capability for self-delusion, which permits him to become another person. This quote is a suggestion that we all have the power to become someone else, if we are willing to use our capacity for self-delusion.