This work investigates the precise mechanisms by which human actions are specified and categorized within the moral framework of Thomas Aquinas. Joseph Pilsner, a scholar of medieval philosophy, examines the interplay between the interior act of the will and the exterior act of the body. He argues that Aquinas provides a coherent account of moral specification that relies on the object of the act rather than merely the intention of the agent, challenging various modern interpretations of Thomistic ethics.

Scholars in the field of medieval philosophy identify this text as a rigorous and highly technical contribution to the study of Thomistic moral theology. Readers frequently note the academic density of the prose, which is intended for advanced students and specialists in the history of ethics.