It was a mantra from my childhood. I heard it at home; I heard it at school. "Can't never did anything!" It became ingrained; it became me. And it has produced both success and frustration. "We can't do that" is never an acceptable response. What is acceptable? "I don't know how to do that." OK, we can learn or we can figure it out. "We don't have the money to do that." OK, we can defer it until we raise the money. "We don't have the necessary skills mix to do that." OK, let's go recruit who we need. But if it's worth doing, never let me hear, "We can't do that."