Time for Truth

Os Guinness wrote Time for Truth as a direct challenge to the postmodern assault on objective truth that dominated intellectual discourse at the turn of the millennium. Published in 2000, this work emerged from Guinness's observation that Western culture had moved beyond mere skepticism about particular truth claims to a fundamental rejection of the very concept of truth itself. Writing as both a social critic and Christian apologist, Guinness saw postmodernism's relativistic tendencies as threatening not only rational discourse but the possibility of authentic faith.

The book argues that truth is not merely a philosophical abstraction but a practical necessity for human flourishing and genuine faith. Guinness contends that postmodernism's reduction of truth to power, perspective, or cultural construction creates an intellectual and spiritual dead end. He demonstrates how relativism undermines its own foundations, showing that the claim "there is no truth" is itself a truth claim that cannot sustain rigorous examination. Moving beyond mere critique, Guinness presents truth as both discoverable through reason and revealed through Scripture, arguing that Christians must embrace both rational inquiry and divine revelation. He insists that genuine faith requires intellectual honesty and that truth-seeking is not optional for serious discipleship.

Time for Truth has remained relevant as postmodern assumptions have become even more entrenched in academic, cultural, and ecclesiastical contexts. Guinness's analysis anticipated many contemporary debates about truth, authority, and knowledge that continue to shape public discourse. The work serves as both an accessible introduction to the philosophical stakes of the truth question and a practical guide for Christians navigating relativistic cultural currents.

Who should read this: Christians who want to understand and respond to relativistic challenges to biblical faith, along with anyone seeking a clear introduction to why objective truth matters for both intellectual and spiritual life. This is not for readers looking for highly technical philosophical argumentation, but rather for those wanting accessible yet substantive engagement with postmodern truth claims.