2 John 1:8

Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward. {wrought: or, gained, some copies read, ye have gained, but that ye, etc.}

1 Corinthians 15:2

By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain. {keep...: or, hold fast} {what: Gr. by what speech}

Hebrews 10:32-39

But call to remembrance the former days, in which, after ye were illuminated, ye endured a great fight of afflictions;

Ezekiel 18:24

But when the righteous turneth away from his righteousness, and committeth iniquity, {and} doeth according to all the abominations that the wicked {man} doeth, shall he live? All his righteousness that he hath done shall not be mentioned: in his trespass that he hath trespassed, and in his sin that he hath sinned, in them shall he die.

2 Peter 2:20-22

For if after they have escaped the pollutions of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled therein, and overcome, the latter end is worse with them than the beginning.

Hebrews 6:4-6

For {it is} impossible for those who were once enlightened, and have tasted of the heavenly gift, and were made partakers of the Holy Ghost,