The themes in the 'the fault in our stars novel' include suffering. The characters endure a great deal of physical and emotional pain due to their diseases. But through this suffering, they also find beauty. It's not just about the pain, but also about the moments of joy, like their trip to Amsterdam. Their experiences with suffering also lead to self - discovery and a new understanding of life.
Well, in 'the fault in our stars novel', the theme of hope is quite prominent. Despite their health issues, the characters still hold onto hope for different things. For Hazel, it's about making an impact on the world with her favorite book. And for Augustus, it's about leaving a mark. Additionally, friendship is a theme as they form deep connections with others in the support group.