This is a biblical cross-reference compendium — specifically, R.A. Torrey's late-19th-century *Treasury of Scriptural Knowledge* — covering Mark chapter 4, which contains the parables of the sower, the secretly growing seed, and the mustard seed, plus the account of Jesus calming the storm. The work's method is not prose commentary but dense lists of parallel scripture citations: for nearly every phrase or verse in the passage, Torrey supplies dozens of Old and New Testament cross-references, allowing readers to trace each idea (e.g., Satan stealing seed, the disciples' fear, the disciples' lack of understanding) across the entire biblical canon. The entry on the mustard seed parable includes one of the few moments of substantive annotation, offering a brief botanical description of the mustard plant and noting that its seed "was probably the smallest known to the Jews." The implicit argument throughout is that scripture interprets scripture — no verse stands alone but is illuminated by its echoes elsewhere in the Bible, from Genesis to Revelation. This is a reference tool for preachers, students, or serious lay readers doing verse-by-verse Bible study; it assumes fluency with the biblical text and offers virtually no theological argument of its own, functioning instead as a navigational index to intertextual connections.