What's the question. No question posted.
Answer:
Fortitude means courage in pain and adversity. When looking back at the text you had said that he said fearlessly. fearlessly is the lack of fear for that, it conveys that to have courage and bravery you must not fear.
The
discovery that the narrator makes by dissecting his brain is learning
that his thoughts require a constant flow of pressurized air because brain activity slows due to low air pressure.
"Exhalation"<span> <span>is a </span></span>science
fiction short
story<span> <span>by </span></span>Ted
Chiang. <span>The story is </span>epistolary<span> <span>in nature, taking the form of a scientist's
journal entry.<span> </span></span></span>