Ivan Vasilyevich Kireevsky (1806–1856) is an outstanding Russian thinker who laid the foundation for an original Russian philosophy based, in his words, on living faith “as the highest rationality and essential element of knowledge” and on the centuries-old experience of Eastern Christian asceticism. In this collection included all philosophical and journalistic works of I.V. Kireyevsky, reflecting the formation and development of his Orthodox Christian worldview. “Note on the attitude of the Russian people to the tsarist power” and “What changes would I like in Russia at the present time?”, as well as the main body of correspondence of I.V. Kireevsky and his spiritual father, the Monk Macarius (Ivanov), the elder of Optina Hermitage, are published for the first time. For the first time in Russia, the “Diary” of I.V. comes to the reader. Kireyevsky, previously published only in the West. The book is equipped with extensive comments and an annotated index of names. The publishers hope that the collection of works by Ivan Vasilyevich Kireyevsky will greatly serve the spiritual education of both Orthodox Christians and all enlightened experts and lovers of Russian philosophical thought.