Abstract
Voyages and crises of philosophy refer to philosophical knowledge of truth, in contrast to skepticism and relativism. They encompass the rational foundation of philosophy and the application of a critical method to central contents. Realist phenomenology plays a key role in the seventh voyage by providing an objective foundation to a priori knowledge. It shows also that essential necessity possesses a supreme form of intelligibility. Cognition is reached via insight and deduction. Three kinds of essences explain the difference between empirical and a priori sciences, while the "impoverishment of a priori" is transcended through necessary essences. Rethinking Edmund Husserl's method allows access to real existence, where objective values replace axiological nihilism. Rigorous philosophy is thus compatible with divinely revealed truth about the mysteries of God and man.