Another important idea is that people should stop nuclear weapon extending as it can destroy the life on our planet. In his argumentation Hawking uses such rhetorical methods as logos, ethos and pathos. He explains that there is too much of nuclear weapon, so we must prevent its extending (p.30) - it is the example of logos. He writes that he avoids including equations in his book - it is the example of ethos. The author playfully writes that "the reason we have not been contacted by an alien civilization is that civilizations tend to destroy themselves when they reach our stage" (p.31) - it is the example of pathos.
2. The main idea of the fifth chapter of the book which is called A Brief History of a Brief History is that the author tends to write about such difficult things as the Universe processes in simple language. Many people want to know about the Universe, but they don't have appropriate mathematical education and knowledge for understanding complicated formulas and equations. So, it is very important to describe such ideas in easier language. ...Show more