But how many imaginary barriers do you see separating you from what you really want? He gave a final upbeat speech, eventually viewed by millions, titled “The Last Lecture.”In it he said: “The brick walls are there for a reason. The brick walls are not there to keep us out. The brick walls are there to give us a chance to show how bad we want something. They’re there to stop the other people.”But brick walls get knocked down every day.