“…I always focusing not only on skeptics, like Montaigne and Bayle but also on dogmatists like Descartes and Kant. I published many papers [Smith 2008;2011a;2011b;2011c;2013a;2013b;2017;2021] and books [Smith 2000; on this topic. But I didn't want to be only a scholar on the history of philosophy, and I decided to study contemporary philosophy, especially Wittgenstein's On Certainty, analytic epistemology (Moore, Austin, Quine, Davidson, McDowell, etc.…”