The theme of Phineas Gage : courage to fight and survive and that of brain science.
Step-by-step explanation:
Phineas Gage is a story that tells and speaks about how courageous Phineas was. He was very strong. He had got an injury on his head and it was a big injury. He got a tamping iron shot on his head and it also got hit on his brain and even after that he survived that injury.
Even the doctors were shocked and wanted to study in detail and determine how could he survive even after getting such a big injury. The story also spoke about how courageous and brave Phineas was.