"That song 'MoFo' is hardcore. If I could put my whole life into one song, it'd be something close to that. It's a funny thing to be able to say - that a song sums you up - cause maybe that means you're not that interesting after all."
- Bono in 1997
According to the booklet of 'Walk On', U2 says that the song is dedicated to Aung San Suu Kyi, in some parts of the lyrics U2 mentions the struggle of this woman to free her country.