In your answer concerning adultery, you stated that it is “the only sin against the body. ” Wouldn't suicide be a sin against the body?
Your question is in response to the answer that was given to the question “Will you go to hell if you have sex before you are married?” In the reply to that question, the following verse was given,
Flee immorality. Every other sin that a man commits is outside the body, but the immoral man sins against his own body. (NASB) 1 Corinthians 6:18
After presenting this verse, the following comment was made, “This is the only sin that God says is against the body.” In response, you have asked if suicide would be another example of sin against one’s body.
Unfortunately, God has not given us the answer to your question. One cannot find the answer to your question in the Bible. That is, 1 Corinthians 6:18 is the only occurrence in the Bible of this statement. Therefore with that understanding, we can say that it is possible that suicide might be another example of sinning against the body, but we do not know that with one hundred percent certainty since the Bible does not say that. It would seem reasonable to make that conclusion. We could say that it is possible cutting or shooting oneself might be a sin against one’s body. Even revealing one’s nakedness publicly might qualify, but we cannot be certain since the Bible does not say so. The Bible is the authority. Our opinion or our good guess does not qualify. Jesus reminded us that the Bible is truth and not our opinion.
. . . Thy word is truth. John 17:17 (NASB)
We can never trust our opinion. Only God’s Word is true. This is an important principle to remember.
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