The book is dedicated to comparative philospohy of universal assumptions of philosophiae perennis by a distinguished Croatian philosopher Čedomil Veljačić and contains two main chapters: “Ethos of Cognition in the Philosophy of Čedomil Veljačić” comprising an outline, interpretation and evaluation of sources of universalism in the philosophy of Veljačić, whereas the other is “Buddhist studies” giving the summary of Buddhist researches performed by Veljačić. The book was published with the support of Croatian Ministry of Culture.