By placing Mill's philosophy in other perspectives, in the context of moments ranging from its genesis to its last writings, with new associations, Gregory Claeys offers the reader a brilliant reconstruction of this philosophy, allowing him to find all of it the power. The inevitable repetitions of themes throughout the book are ultimately instructive and even necessary for this brief introduction, contributing to the clarity of the text and the presentation of the subjects treated. Beatriz Laporta, Archives de philosophie