In this case "save" is not a verb, but used as a preposition and means "but, or except for."
Discussion
I think we fade, unless you know, we rage, but after the rage, still most of us fade. 
In this case "save" is not a verb, but used as a preposition and means "but, or except for."
I think we fade, unless you know, we rage, but after the rage, still most of us fade.