Romans 3:19 (KJV) states, "Now we know that what things soever the law saith, it saith to them who are under the law: that every mouth may be stopped, and all the world may become guilty before God."

This verse is a part of the larger passage in which the apostle Paul is explaining the righteousness of God and the universal guilt of humanity. In Romans 3:19, Paul is highlighting the purpose of the Law in bringing to light the guilt of mankind before God. The Law, as given to the Israelites, served as a standard of righteousness and a mirror that reflected human sin. It revealed the true nature of sin and the inability of humanity to achieve righteousness through their own efforts.

The context of this verse is crucial to understanding its full meaning. In the preceding verses, Paul argues that both Jews and Gentiles are all under sin and that no one is righteous in the eyes of God. He quotes from various Old Testament passages to support his argument. In Romans 3:10-18, Paul paints a grim picture of the human condition, emphasizing the universality of sin and the depravity of mankind. This lays the groundwork for his statement in verse 19.

Paul is addressing the Jews, who prided themselves on having the Law and considered themselves to be superior to the Gentiles. He reminds them that the Law was given to them specifically, and its purpose was not to exalt them but to reveal their sinfulness and the need for a Savior. The Law was meant to silence every boastful mouth and condemn the whole world, leaving no room for self-justification or pride.

The verse also speaks to the universal guilt of humanity before God. It emphasizes that all people, regardless of their background or ethnicity, stand condemned before God because of their sin. This echoes the earlier passages in Romans where Paul argues that all have sinned and fallen short of the glory of God (Romans 3:23). The Law serves as a witness to the guilt of humanity and underscores the need for divine grace and redemption.

Symbolically, the "mouth may be stopped" signifies the silencing of human pride and self-righteousness. It denotes the shutting down of every attempt to justify oneself before God. The phrase "all the world may become guilty before God" reinforces the idea that no one is exempt from the universal guilt of sin. The Law serves as a mirror that reflects the true nature of sin and the impossibility of attaining righteousness through human effort.

In conclusion, Romans 3:19, in the King James Version, encapsulates the universal guilt of humanity before God and the purpose of the Law in revealing this guilt. It emphasizes the futility of self-justification and the need for divine grace and redemption. The verse highlights the sobering reality of human sinfulness and the universal need for a Savior. It serves as a humbling reminder of the universal guilt of mankind and the dire need for God's mercy and grace.