"But he that shall endure unto the end, the same shall be saved." - Matthew 24:13
"And ye shall be hated of all men for my name's sake: but he that shall endure unto the end, the same shall be saved." - Mark 13:13
"Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven." - Matthew 7:21
"Then said Jesus to those Jews which believed on him, If ye continue in my word, then are ye my disciples indeed." - John 8:31
When asked by Jews what is the work God requires for salvation, do you know what Jesus replied?
What are you going to endure??? And to the end of what???