In Adorno, Roger Foster argues that there is a coherent critical project at the core of Adorno's philosophy of language and epistemology, the key to which is the recovery of a broader understanding of experience. Foster claims, in Adorno's writings, it is the concept of spiritual experience that denotes this richer vision of experience and signifies an awareness of the experiential conditions of concepts. By elucidating Adorno's view of philosophy as a critical practice that discloses the suffering of the world, Foster shows that Adorno's philosophy does not end up in a form of resignation or futile pessimism. Foster also breaks new ground by placing Adorno's theory of experience in relation to the work of other early twentieth-century thinkers, in particular Henri Bergson, Marcel Proust, Edmund Husserl, and early Wittgenstein.