We are often told that the secret to success is hard work, grit, and hours of practice. But in a world that's changing at lighting speed, what if the really crucial skill is actually knowing when to do stick at it and when to change track, to cut your losses and walk away? "Quit" makes the under-appreciated case for quitting and shows why it's crucial to achieving real success. Quitting is the idea of the moment, as we reassess our lives post-pandemic.