Religious faith thrives not as a safe harbor of certainty, but as a bold venture into the unknown. By examining the works of Reinhold Niebuhr and Martin Buber through a philosophical-theological lens, a new understanding emerges of religion as "basic trust" in human existence. Drawing on Erik Erikson's psychological theories and Buber's dialogical philosophy, authentic religious experience requires openness to encounter rather than mere adherence to predetermined principles—though this approach creates inherent tensions in normative ethical frameworks. Niebuhr's understanding of faith as trust illuminates both the exemplification and corruption of religious belief, while Buber's emphasis on individual encounter poses significant challenges to traditional halakhic authority. Recent developments in linguistic analysis, particularly Ian Ramsey's work bridging empirical philosophy and theology through concepts of disclosure and commitment, further reveal how religious language serves an evocative rather than purely descriptive function. Contemporary theological discourse increasingly emphasizes concrete personal experience over abstract doctrinal formulations. Modern theology must therefore function as a "recall to the concrete," fostering interdisciplinary insights that illuminate religious problems through experiential disclosure rather than providing prescribed doctrinal answers—representing a fundamental shift toward understanding religion as adventurous engagement with transcendence.