The Philokalia is a collection of texts written by various Christian mystics and theologians, primarily from the Eastern Orthodox tradition. Compiled in the 18th century, it focuses on the practice of inner prayer and the spiritual life, emphasizing the importance of the heart in connecting with God. The work encourages readers to cultivate virtues and engage in contemplative practices. The texts within the Philokalia cover topics such as hesychasm, a form of prayer that seeks inner stillness and communion with God. Notable figures associated with its teachings include Saint John Climacus and Saint Gregory of Sinai. The collection has been influential in shaping Orthodox spirituality and continues to be studied by those seeking deeper spiritual understanding.