The article treat with the voluntary action (in which we can include the free human action) and non voluntary causality. The author wants give some aclarations over the actual controversy, from Aquinas thought.

The concept of "person" does not determine criteria of identity: the pseudo-concept of "personal identity" is not found in Aquinas. Discussions of immortality and resurrection which use this pseudo-concept have obvious flaws. Neither the affirmation nor the denial of "personal identity through death" have determinate sense.