The author provides an overview of his work, dividing it into three topic areas: 1. Writings on the sui generis Marxism that spread throughout the Basque Country in the last years of the Francoist regime. 2. Writings on religion, ethics and politics, and violence. 3. Writings on the issue of national character, Volksgeist, and the relationship between language and thinking. Key Words: Crisis. Marxism. Religion and morals. Absolute values. Relativism. Language and thinking.