The question mark is, perhaps, the most powerful syntactical mark that exists. The nature of the interrogative clause or phrase is that of thought–you inquire as a response to a problem. You draft, you adjust, you adapt, you grow, you think, you try, you test, you risk–all thanks to a question mark. All thanks to a question. What is inquiry but a hypothesis waiting to be tested? What is testing a hypothesis but progressing towards something extraordinary?
It always starts with a question: