In scientia veritas et spero

This article is written in honor of Brij Mohan and his lifetime achievement as an outstanding social scientist. Touching upon the life experience of Brij Mohan, this article discusses the advancement of an increasingly important part of sciences, i.e. social science, by highlighting key concepts in theory-building and refering to the interface of philosophy and social science, which is an area of scientific enterprise where Brij Mohan has left probably his largest footprints on the pages of the history of science. The article puts forward a very optimistic role of all sciences for the advancement of human kind, including solving the conundrums they created in the first place.