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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Opening from Hebrews 12, Revelation 21, and Zechariah, Austin-Sparks presents Zion as more than a place: it represents God’s ideal for His people and His special concern for a remnant expressing His full purpose. Turning to Psalm 48 and 1 Peter 2, he identifies the church as God’s spiritual house, built on Christ the risen chief cornerstone and made of living stones. The message calls readers to make this corporate life their chief concern and to show its excellencies through resurrection life and holy conduct.