How do we know Jesus is enough for our salvation?

The sufficiency of Jesus for salvation is demonstrated through his unique role in redemption. As stated in Matthew 1:21, he came to save his people from their sins, which he accomplished by bearing their wrath in their place. This act fulfills the law and offers satisfaction to God's justice. The sermon emphasizes that the only way to approach Christ is empty-handed, relying solely on his sacrificial death and perfect righteousness for salvation. When we trust in him alone, we find complete assurance, as he is described as 'altogether lovely' and more than sufficient for our needs.