Jude is focusing on the ability of God to make his people stand morally pure before him in judgment, blameless and without defect.1 The goal of all his warnings is that the church should heed them and repent of sin so that when Christ returns she will be found to be a sacrificial offering to God for his glory.2 The words he uses in the phrase specifically recalls the description of sacrificial animals in the Old Testament (see 1 Peter 1:19, Romans 12:1–2; James 1:27). Believers are able to be blameless before God because of Jesus’ sacrificial death; he functions as the sacrifice on their behalf (Jude 1:3; 2 Peter 1:1; Hebrews 7:26–28).
24 Now to him who is able to keep you from stumbling and to present you blameless before the presence of his glory with great joy,