1 Corinthians 1:8-9
who will also confirm you to the end,
that you may be blameless in the day of our Lord Jesus Christ.
9God
is faithful, by whom you were called into the fellowship of His Son, Jesus Christ our Lord.
Philippians 1:6
being confident of this very thing, that He who has begun a good work in you will complete
it until the day of Jesus Christ;
Hebrews 7:25
Therefore He is able to save completely those who draw near to God through Him, since He always lives to intercede for them.
Yet again, no worries