Children Children by Paul McCartney is a nostalgic and innocent reflection on the joys and simplicity of childhood. The song emphasizes the purity and unburdened happiness that comes with being a child. The lyrics are filled with pastoral imagery and gentle melodies, evoking a sense of peace and contentment. Key themes include innocence, joy, and the beauty of nature as seen through a child's eyes. A particularly poignant moment in the song is when McCartney touches on the fleeting nature of childhood, subtly reminding listeners to cherish these moments of purity and simplicity.