The Old Testament is the first section of the two-part Christian biblical canon; the second section is the New Testament. The Old Testament includes the books of the Hebrew Bible (Tanakh) or protocanon, and in various Christian denominations also includes deuterocanonical books. Orthodox Christians, Catholics and Protestants use different canons, which differ with respect to the texts that are included in the Old Testament.
Martin Luther, holding to Jewish and other ancient precedent, excluded the deuterocanonical books from the Old Testament of his translation of the Bible, placing them in a section he labeled "Apocrypha" ("hidden"). To counter Luther's "heresy", the fourth session of the Catholic Council of Trent in 1546 confirmed that the deuterocanonical books were equally authoritative as the protocanonical in the Canon of Trent in the year Luther died, reconfirming the inclusion of the deuterocanonical books made almost a century earlier at the Council of Florence. Following Jerome's Veritas Hebraica (truth of the Hebrew) principle, the Protestant Old Testament consists of the same books as the Hebrew Bible, but the order and division of the books are different. Protestants number the Old Testament books at 39, while the Hebrew Bible numbers the same books as 24. The Hebrew Bible counts Samuel, Kings, and Chronicles as one book each, and the 12 minor prophets are one book, and also Ezra and Nehemiah form a single book.
- He has made everything beautiful in its time. Also He has put eternity in their hearts, except that no one can find out the work that God does from beginning to end. - Ecclesiastes 3:11
9 Let love be genuine; hate what is evil, hold fast to what is good;
10 love one another with mutual affection; outdo one another in showing honor.
11 Do not lag in zeal, be ardent in spirit, serve the Lord.
12 Rejoice in hope, be patient in suffering, persevere in prayer.
13 Contribute to the needs of the saints; extend hospitality to strangers.
-Paul of Tarsus, Romans 12:9-13
"For the word of God is living and powerful, and sharper than any two-edged sword, piercing even to the division of soul and spirit, and of joints and marrow, and is a discerner of the thoughts and intents of the heart." Hebrews 4:12 nkjv
"All Scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness, that the man of God may be complete, thoroughly equipped for every good work." 2 Timothy 3:16-17 nkjv
"Therefore put to death your members which are on the earth: fornication, uncleanness, passion, evil desire, and covetousness, which is idolatry.  (Colossians 3:5)
"Therefore, as the elect of God, holy and beloved, put on tender mercies, kindness, humility, meekness, longsuffering; bearing with one another, and forgiving one another, if anyone has a complaint against another; even as Christ forgave you, so you also must do."  (Colossians 3:12-13)