Repent is one of the most important words in our vocabulary. It is the very point in which a person realizes the weight of their sins before God, asks for forgiveness, and literally turns away from their old man.Repentance was a central characteristic of Jesus' ministry. Matthew 4:17 says: From that time Jesus began to preach, saying, “Repent, for the kingdom of heaven is at hand.” Let's look together to see what repentance is and why it's needed. This writer believes there is a direct correlation between the diminishing popularity of the repentance message currently and the ultimate widespread rejection of repentance by most during the Great Tribulation. They won't repent.