Galatians 3:4

Did you suffer so many things in vain, if it is indeed in vain?

2 John 1:8

Watch yourselves, that we don't lose the things which we have accomplished, but that we receive a full reward.

Ezekiel 18:24

But when the righteous turns away from his righteousness, and commits iniquity, and does according to all the abominations that the wicked man does, shall he live? None of his righteous deeds that he has done shall be remembered: in his trespass that he has trespassed, and in his sin that he has sinned, in them shall he die.

1 Corinthians 15:2

by which also you are saved, if you hold firmly the word which I preached to you -- unless you believed in vain.

Hebrews 6:4-6

For concerning those who were once enlightened and tasted of the heavenly gift, and were made partakers of the Holy Spirit,

Hebrews 10:32-39

But remember the former days, in which, after you were enlightened, you endured a great struggle with sufferings;

2 Peter 2:20-22

For if, after they have escaped the defilement of the world through the knowledge of the Lord and Savior Jesus Christ, they are again entangled in it and overcome, the last state has become worse for them than the first.

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