Eternal Security
All true believers are assured of their salvation based on the authority of the Word of God. Those who are trusting in Christ are safe and secure for all eternity.
This is what the Bible says about Eternal Security -
“Therefore being justified by faith, we have peace with God through our Lord Jesus Christ” Romans 5: 1
“And I give unto them eternal life; and they shall never perish, neither shall any man pluck them out of my hand. My Father, which gave them me, is greater than all; and no man is able to pluck them out of my Father's hand.” John 10: 28-29
“For the which cause I also suffer these things: nevertheless I am not ashamed: for I know whom I have believed, and am persuaded that he is able to keep that which I have committed unto him against that day. 2 Timothy 1: 12
“These things have I written unto you that believe on the name of the Son of God; that ye may know that ye have eternal life ...” 1 John 5: 13