In this verse, the psalmist describes individuals who have hardened their hearts, making them insensitive and unyielding. This condition of the heart often manifests in the way they speak, with words that are filled with pride and arrogance. The imagery of a callous heart suggests a deliberate choice to ignore compassion and empathy, leading to a life that is self-centered and dismissive of others.
The message serves as a caution against allowing one's heart to become hardened. It encourages believers to remain open to God's guidance and to cultivate a heart that is tender and responsive to the needs of others. By doing so, one can avoid the destructive nature of arrogance and instead foster relationships built on humility and love. This aligns with the broader biblical teachings that emphasize the importance of humility, kindness, and the power of words to build up rather than tear down. In a world where harsh words and pride can cause division, this verse calls for a return to the core values of empathy and humility.