Iron Sharpens Iron is an online bible study resource for the “born again” (John 3:7) Christian who desires to “grow in the grace and knowledge [understanding] of our Lord and Savior Jesus Christ” (2 Pet. 3:17-18), “work out your salvation with fear and trembling” (Php. 2:12), “Be diligent to present yourself approved to God as a workman who does not need to be ashamed, accurately handling the word of truth” (2 Tim. 2:15) , and “contend earnestly for the faith which was once for all [time] handed down to the saints” (Jude 3) in New Testament Scripture.