"embodies the elegance of simplicity"

corporate speak that doesn't mean anything. Also If you are talking to the creator of a programming language they already know that. That was the goal of the language.

"Plan 9 from bell labs, another landmark achievement"

the sentence is framed as if its a school essay where the teacher asked the question "describe the evolution of unix and linux in 300 words"

"The sam and Acme editors which showcase your philosophy of powerful, minimal design"

Again explaining how good software is to the author. Also note how this sentence could have been a question in a school essay: "What are the design philosopies behind the sam and acme editors?"