If you're a fan of music, then you know that Simon Garfunkel has made a lot of hits over the years. One of their most iconic songs is "The Sound of Silence."

It's not a surprise that the song became famous because it has such a beautiful melody and meaningful lyrics. However, did you know that there is more to the story behind this song?

* The meaning of the song was revealed recently.

A social media post about the history of Garfunkel's friendship with his blind friend Sandy Greenberg was circulating online. It turns out that the two friends were college roommates, Greenberg referred to him as "Darkness" when they were talking, and Greenberg helped Garfunkel record their first album in the early 1960s with some money he had saved from working.

The story is that after Greenberg went blind, he stopped interacting with people and began to isolate himself. This was a major depression for him and he was at a loss as to how to live his life.

Garfunkel, who was a close friend of Greenberg's, stayed by his side throughout this difficult time and tried to help him learn how to be independent again. He helped him get back into Columbia University, arranged for him to have a driver, and even filled out some of his paperwork for him. The story is that Garfunkel was able to turn Greenberg's life around and make him realize how much he relied on his friends.