Bible Verses About Perseverance: An evidence of belonging to Christ

Jesus therefore said to those Jews that had believed him, If ye abide in my word, then are ye truly my disciples;

but Christ as a son, over his house; whose house are we, if we hold fast our boldness and the glorying of our hope firm unto the end.

for we are become partakers of Christ, if we hold fast the beginning of our confidence firm unto the end: