It appeals to the heart for repentance: The only way to obtain salvation from God’s judgement is communicated.
It is complete: It pursues an idea up to a decided or planned goal… hell for sinners and heaven for believers.
It has a message for everyone: It
addresses the sinner, encourages the believer, warns Christians of the
dangers of backsliding and provides a way for restoring a backslider.
It is simple: Not complicated.Its message can easily be understood by the listeners.
It is suitable for everyone: The rich and the poor, men and women, young and old.
It is necessary: As a mirror, it reflects what is in the heart of man: anyone can check the situation of their heart.
It is authoritative: Its message cannot be ignored unless one stubbornly refuses to hear from God.