语言是作家最强大的武器，用它作家可以改变世界。
"La palabra es el arma más poderosa del escritor, y con ella puede cambiar el mundo."
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
The only thing that matters is the work itself.
The most important thing in science is not to solve problems, but to ask the right questions.