<![CDATA[The current moral decline is predominantly driven by teenagers. The highly unstable lives of teenagers lead many to direct them in both negative and positive ways. Adolescents are still unstable and have yet to discover their true identity. Therefore, the purpose of this research is to provide insight so that they can have a clear concept of self-identity as they move towards physical and spiritual maturity. This research usesmixed method concurrent triangulationThis is a combined study using qualitative and quantitative methods simultaneously and in a balanced manner. The findings from the two studies will be combined for simultaneous interpretation and discussion. In the final stage, the findings from the two studies are summarized, deepened, expanded, and provided meaning in the discussion. The method of learning the science of faith in classical books is carried out through reading classical books in a modern way by interpreting the books as well as translating the book's intent. The books used are Aqidatul Layman, Tijan, and Khoridatul Bahiyah. Based on the MANOVA test, there is a significant positive influence on emotional and spiritual intelligence as indicated by the valueSay=0.739 onRoy’s Largest Root of 0.000 Sig < 0.05. So it can be concluded that there is a significant influence between the learning strategy of the science of faith in classical books (x) on emotional intelligence (Y1) and spiritual intelligence (Y2) simultaneously, then the analysis of Htherejected Haaccepted. ]]>
