Theodore Austin-Sparks (1888–1971) was a British evangelist and author. Born in London, he became a Christian at seventeen while listening to street-preachers in Glasgow, and was ordained a Baptist minister at twenty-four. In 1926 he left the denomination and, with like-minded Christians, founded a conference and training centre at Honor Oak in south-east London. From there he published the free magazine "A Witness and A Testimony" until his death, and his conference ministry took him across Europe, North America and Asia. He asked that his messages be shared freely and word for word. Source: Wikipedia (summarized; CC BY-SA)
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Beginning with Hebrews’ call to be “companions of a heavenly calling,” Austin-Sparks presents God’s work in this dispensation as the formation of a spiritual, heavenly Israel, moving beyond the old earthly order. Through Hebrews and John’s Gospel, he explores the companions’ place in Christ, their calling to see, hear, and share His life, and the bride’s companionship with Him. The reader is called to hold fast to Christ and follow God’s heavenly purpose.