2 Pet 1:10

1:10 make your calling and election sure. While God’s choice of the elect is firm and certain in God (2 Tim. 2:19), it may not always be obvious to the individual Christian. Assurance of God’s call comes through the evidence of the Holy Spirit’s work in our lives (1 John 3:10, 14) as well as through the internal testimony of the Spirit in our hearts (Gal. 4:6).

if you practice these qualities. God’s promise of salvation is to those with a genuine, persevering faith (Matt. 10:22; 24:12, 13; Heb. 3:6). True faith perseveres to the end and will inevitably bear fruit (Gal. 5:6, 22, 23).