Book Five of the Psalms is covered by looking at the Hallel (the seven Psalms before Psalm 119), the Songs of Ascents (the Psalms after it), and Psalm 119 itself. Psalm 119 is a long meditation on God's law and way of life, and it fits between the Hallel's praise for redemption and the spiritual life lessons of the Ascents, which move from trial, to faith, to praise. It is the longest psalm and longest chapter in the Bible, with 176 verses, and it sits just after Psalm 117, the shortest chapter, and Psalm 118, which marks the Bible's center. It is a perfect expanded acrostic: eight verses for each of the 22 Hebrew letters, each stanza with its own theme, and nearly every verse referring to God's Word. This hammering on one theme in many forms reflects the Hebrew use of repetition and parallelism, which Deuteronomy 6:7 grounds in God's way of teaching by repeated "sharpening." Psalm 119 has no superscription. Tradition credits David, partly because of Psalm 19:7-11, which serves as its kernel. Internal clues point to a persecuted man who speaks before kings and weeps over his people. These clues also fit Jeremiah, who may have written the acrostic chapters of Lamentations and who rejoiced in God's Word and the law written on the heart. The author remains uncertain. The psalm presents God's law as the perfect revelation of His mind and character, profitable for equipping the man of God.