Perseverance and endurance

Perseverance and endurance in the Bible:

Romans 5:3-4 Romans 12:12 James 1:12 Ephesians 6:18 1 Timothy 6:12 2 Peter 1:5-6 2 Timothy 2:12 1 Corinthians 13:7 Hebrews 10:36 Hebrews 12:1-2 Philippians 3:14 Since it is spoken of so often it is very important. It shows sincerity.