I and Thou is a philosophical work written by Martin Buber and published in Berlin 1923 as Ich und Du. The work covers a wide range of topics including psychology, sociology, and religion, with a strong focus on relationships: those among people and the relationship individuals have with God. In I and Thou, Buber seeks to help us engage with the world more fully by encouraging us to use the mode of encounter (which he calls the mode of I-You), and not just the mode of experience (or, I-It).

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