This book focuses on the standards of philosophical rationality, corresponding to a philosophy that aspires to be more than the wisdom that stems from and addresses everyday human needs. It is a search for standards that would, as it were, show the way to philosophical wisdom for anyone who is willing and able to assess it. One of the problems is that people have had a different understanding of the basic concept of rationality, which is the rationale. (Series: Development in Humanities - Vol. 1)