The key thought, or primary object of each New Testament book, according to Dr. George F. Pentecost, is as follows:

      MATTHEW--Jesus the Son of God and Lord according to Old Testament promise.
      MARK--Jesus is the Savior who Meets Man's Needs.
      LUKE--The Son of Man in his Service among Men. The World's Savior.
      JOHN--The Son of God in the Moral Glory of his Person and Life.
      ACTS--Christ in Heaven, and the Energy of the Holy Spirit on Earth. What Christ Continued to Do and to Teach by His Spirit in the Apostles. How the Church was Gathered and Built. The Progress of the Kingdom.
      ROMANS--Christianity Unfolded in its Doctrine. Righteousness; How Man can be Justified before God.
      I CORINTHIANS--Church Order and Discipline. Our Relations to Each Other in the Church.
      II CORINTHIANS--Christian Ministry and Superiority over Circumstances. Our Relation to the World and to Them.
      GALATIANS--Christian Blessing and Liberty contrasted in the Law. Stand Fast in the Liberty wherewith Christ has made you Free. The Spirit in the Beginning, Middle, and End of Christian Life and Power.
      EPHESIANS--Christ the Measure of Christian Standing and Blessing. Together with Christ.
      PHILIPPIANS--Christian Experience. In the Face of Christ. Perfection that is not Perfect. One Thing to Do.
      COLOSSIANS--The Church's Glories and Fullness in Christ her Head.
      I THESSALONIANS--Christ coming to and for the Church, and her Eternal Blessedness.
      II THESSALONIANS--Christ coming with His Saints. The Eternal Judgment of Unbelievers.
      I TIMOTHY--Church Order according to God.
      II TIMOTHY--Church Disorder and the Individual Pathway.
      TITUS--Christian Qualification for the Ministry and Godly Conduct.
      PHILEMON--Christian Love. Counting upon Love between Brother and Brother.
      HEBREWS--Our Apostle's Priest, Sacrifice, and Witness.
      JAMES--The Common Sense of Christianity, or Christian Morality in and out of the Church.
      I PETER--God's Righteous Government in Relation to Saints.
      II PETER--God's Righteous Judgment upon the Public Christian Profession.
      I JOHN--Christ the Eternal Life and Power of Communion with God.
      II JOHN--Christ and the Truth the Safeguard against Heresy.
      III JOHN--Christian Hospitality to the Saints and especially to Laborers.
      JUDE--Apostasy Traced down to the Last Days.
      REVELATION--Christ Assuming the Government of the World. Things to Come.