Eternal arcadia asked where is the scriptural evidence for masturbation and Lot'sLot's comment: "Yes, masturbation is absolutely a sin. To have sexual involvement in any form which is not intended to result a child is abhorrent behavior.". Enternal Acrcadia should know that when God gave Man the 10 commandments, he did not give 10 so that everything else is allowed. That would mean to take the 10 commandments 'literally'. Lets reason this: If they have to be taken literally either God should have then given us 5000000 commandments explicitly mentioning them all as He would himself destroy any basis for Man's capacity for 'Reason' Knowledge and capacity to find the truth and to know God. St. Paul says, "For those things of him which are invisible, are seen - By the eye of the mind. Being understood - They are seen by them, and them only, who use their understanding" (Romans 1:20)This means Man has the capacity to know god and his requirements. God cannot be a slave to Time. He is beyond Time. Thus, He cannot make a separate 11th commandment for abortion just because abortion starting surfacing after 1900 years. Through St. Paul, we know that God and his requirements can be known. Just like, They ask the apostles ask St. Paul, "How do we know that God died for gentiles too?" he says, "Because I had a vision and a huge sheet hurled in the sky in which each animal could be eaten" He interpreted the timing of this vision when the centurion, who was a gentile who came to meet him as, God's will that Christ died for the world and not only for the circumcized. Since then Paul always insisted to all Christians that whenever you are facing any trouble, any argument over the church and if someone is misinterpreting anything, bring it to the notice of the apostles and Church elders. Since then the church has assumed responsibility given by God to instruct and reveal The word of God and interpret it. Because Jesus asked Peter to take care of his flock, we Christians and feed them i.e instruct them, give food for their soul, (i.e. basis of theology and doctrines and tenets of christianity)John 21 15When they had finished eating, Jesus said to Simon Peter, "Simon son of John, do you truly love me more than these?" "Yes, Lord," he said, "you know that I love you." Jesus said, "Feed my lambs." 16Again Jesus said, "Simon son of John, do you truly love me?" He answered, "Yes, Lord, you know that I love you." Jesus said, "Take care of my sheep." So I have ruled out why God would not himself mention modern and novel offenses against God being revealed by Technology ect like Artificial Insemination ect. I have also eliminated the need for God to have 550 commandments confusing us if "insemination" was mentioned 2000 years back and they did not know what it meant, But atleast God knew the Church would be there 2000 years later to defend him when this word got its meaning. Why did I mention 10 Commandments. Because like anything in the Bible that is filled with allegories, visions and exegisis, it should not be taken literally. The 6/7th Commandment says: You shall not commit Adultery. Masturbation is a specific bylaw of this commandment. Infringe this commandment and its a mortal Sin. There is no woman in masturbation but it is considered a sin (Although you do commit adultery/fornication in your mind and heart). Where is fornication mentioned in the Commandment, but don't you think it is a mortal sin? why because it is mentioned in the Gospel? But fornication too is a bylaw and interepreted breach of the same commandment. I think this must have cleared the whole "why is it not mentioned in the bible"If you really want to think so hard, then let me give you some food for thought:Where is it mentioned in the the Bible, that the Bible 'alone' is the sole authority to know God, God's requirment, God's will, God's love, God's Commandment and ect in general, Truth(s). But let me give you a head start. If I ask you what is your foundation of Truth, what would you say? If for everything you look to the bible alone radically and fundamentally dependent on the bible (in its strictest sense) then you would say and rightly should say: The Bible, Word of God ect. Here what the Bible itself says in 1 Timothy 3: 14 (St. Paul to Timothy)14 Although I hope to come to you soon, I am writing you these instructions so that, 15 if I am delayed, you will know how people ought to conduct themselves in God's household, which is the church of the living God, the pillar and foundation of the truth.So Remember There is participation in writing the Bible (inspired word of God) but there is no gross errancy. Thus there is no theological blunder. But that doesn't mean All that God had to say to us comes to an end with the Bible, only that All that God has to say to us begins and is inspired in us to reach everything else through the Bible. Thus the Church takes on the responsibility of continuing the work of St. Paul and the elders. Why should you find then the biblical evidence for say, "Is it wrong to keep playing outside the window of a person's house when someone is studying for his exams?" I doubt you will find it in the bible and in the commandments. You will have take refuge in the our elders, the first, the fathers, The church.