What does the Godsmack song No Rest for Wicked mean?

"Nothing comes for free, you reap just what you sow," Sully Erna sings during the opening lines of Godsmack's "Nothing Comes for Free" as he expresses the idea of karma. The song also deals with the notion of personal accountability and choice, suggesting that one cannot escape the consequences of one's own actions. Erna has stated that the song is a reflection on his own life and the mistakes he has made. The song also expresses the sentiment that one should take responsibility for their actions and their consequences.