Eagle is a song written by Björn Ulvaeus and Benny Andersson for ABBA's 1977 album The Album.The song drew inspiration from the philosophy of Friedrich Nietzsche, particularly his concept of the "Übermensch," which translates to the "overhuman" or "superior individual." Björn Ulvaeus, the primary songwriter for ABBA, found fascination in the notion of a person who could transcend societal constraints and strive for personal greatness.