In this verse, Paul is addressing the question of whether the people of Israel have heard the message of the gospel. He affirms that they have indeed heard it by referencing a passage from the Psalms, which speaks of a voice going out into all the earth. This metaphorical language underscores the idea that God's message is not confined to a particular group or location but is intended for all humanity. The gospel's reach is universal, transcending geographical and cultural boundaries.
Paul's use of this imagery serves to remind believers that the message of salvation through Jesus Christ is available to everyone, regardless of their background. It also highlights the responsibility of believers to actively participate in spreading this message. The verse encourages Christians to be mindful of the global nature of the gospel and to engage in efforts to ensure that its transformative power is known and experienced by people everywhere. By doing so, they fulfill the call to be witnesses of God's love and grace to the world.