教皇方济各在2013年成为教皇时，写信给当时担任宗座科学院（PAS）主管的我，要求我们研究现代奴隶制和解决办法。
One of the first things that Pope Francis did when he was elected in March 2013 was to write to me, in my capacity as head of the Pontifical Academy of Sciences (PAS), requesting that we study modern slavery and its solutions.