It can be profitably read and reflected on for a long time. It is Richard's first step in a new, more foundational direction, and we can only eagerly await his next words on the subject.
Mark Richard is a professor of philosophy at Harvard University. He is the author of Propositional Attitudes: An Essay on Thoughts and How We Ascribe Them (Cambridge 1990), When Truth Gives Out (Oxford 2008), and Context and the Attitudes: Meaning in Context, Volume 1 (Oxford 2013) and Truth and Truth Bearers: Meaning in Context, Volume 2 (Oxford 2015).