Serving the Promise of Your Future Self Here at Demystifying Science, we aspire to greatness. We want to bring you higher and higher quality articles, animations, and podcasts. In that sense, we can outdo our former selves, but will this actually lead us to greatness? Dr. Agnes Callard, a philosopher at the University of Chicago points out in her latest book Aspiration: the Agency of Becoming that in aspiring to greatness, we are in some sense hamstrung by the fact that we don’t know greatness..