The word do not correctly reflect kafka intended meaning.
He is motivated by vengeance for how he was treated.
They change the surface some how, man-made, and skill level in that medium(beginner to master)
The first paragraph of a cover letter normally includes the job that they are applying for and where they learned about it.
A traditional cover letter contains three paragraphs. The first paragraph identifies that job that the writer is applying for and how they found out about the opening. The second paragraph is a summary of why they are qualified for the position. The third paragraph is a closing where there is a request for an interview and information as to how to contact the applicant.