This text was previously published in its original French in the journal Zilsel in March 2025, and it aligns with the ideas that Bernard Lahire presented in Porto during the opening of the Jornadas de Investigação do Instituto de Sociologia, which took place on October 16th and 17th, 2025, at the Faculty of Arts & Humanities of the University of Porto.

The publication is preceded by an introduction by João Teixeira Lopes.

Edited by: Executive Committee of the Institute of Sociology of the University of Porto.