How do we know God's righteousness is sufficient for salvation?

The assurance of God’s righteousness being sufficient for salvation is anchored in the work of Jesus Christ. In Psalm 89:16, the connection between the believer's joy and the righteousness of God is made clear. Believers find their acceptance before God not in their own works but in Jesus's perfect righteousness. In this union with Christ, His righteousness is imputed to believers, allowing them to be seen as righteous before God.

Moreover, the promise of salvation is grounded in God’s faithfulness to His name. As stated in the text, God saves for His name's sake, ensuring that His glory and mercy are on full display in the salvation of sinners. This emphasizes that both the means of salvation and the motivation behind it are rooted in God’s character. The assurance comes from realizing that salvation is not based on fluctuating human emotions or fleeting spiritual experiences, but rather on the unchanging righteousness of God through Christ.