You need to learn what people have done, but you need to learn where they have failed... Usually when they fail it is in the execution.
Colin PowellGenerally you should act somewhere between P40 and P70, as I call it. Sometime after you have obtained 40 percent of all the information you are liable to get, start thinking in terms of making a decision. When you have about 70 percent of all the information, you probably ought to decide, because you may lose an opportunity in losing time.
Colin PowellI will look for a candidate, Republican or Democrat, who seems to be on the way or understands how to resolve the economic difficulties we're having, how to do something about unemployment, how to make sure that we free up our businesses and we don't over-regulate ourselves.
Colin PowellI am confident that we will find evidence that makes it clear he had weapons of mass destruction.
Colin Powell