<human>:  What is the meaning behind the lyrics in the song "Stairway to Heaven"?
<bot>: The lyrics of the song "Stairway to Heaven" have been interpreted in many ways over the years. In general, it is thought to be about a spiritual journey, introducing different concepts of materialism, spiritualism, and a reaching out to a higher power and questioning the path that someone has taken. It speaks of a search for the truth, of a spiritual quest, and of the rewards gained through this journey. Ultimately, it is a song about discovering the meaning of life and seeking inner peace.