Russell’s greatest efforts were made in epistemology - the search for the ultimate grounds of our knowledge about the world. How can we be certain that what we know is true? Where lies the certainty in our experience of the world? Right. Good. And did he ever find these things out? Have an answer? He was well described by a Victorian novelist (Pirkis) writing of a particular man who looked for the origin of speech.”the answers there, in my head, I just can’t put it into words.” He said the universe could have come without a cause. He was a clear exponent of formless ideas.