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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“God Has Spoken in His Son” considers Hebrews’ declaration that God’s final and full speech is Jesus Christ, in whom God brings about union between Himself and humanity. Through the wilderness journey of Israel, it warns believers not to drift from what they have heard and calls them to go on in faith into God’s present rest and full purpose.