Ps:66:18: If I regard iniquity in my heart, the Lord will not hear me:
Mt:12:34: O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.
Mt:12:35: A good man out of the good treasure of the heart bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.
Mt:15:8: This people draweth nigh unto me with their mouth, and honoureth me with their lips; but their heart is far from me.
Mt:15:18: But those things which proceed out of the mouth come forth from the heart; and they defile the man.
Mt:15:19: For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:
Phil:4:8: Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good report; if there be any virtue, and if there be any praise, think on these things.
rebellion
that sin and blasphemy are bad and and blasphemy is the only unforgivable sin
Nowhere in the Bible does it say that.
no
The Bible says very clearly that rebellion is like witchcraft. It says that like witchcraft is a sin, so is rebellion a sin.
James 4:17 - Therefore, to him who knows to do good and does not do it, to him it is sin. [NKJV]
Ps:119:11: Thy word have I hid in mine heart, that I might not sin against thee.
The moral and ethical implications of masturbation can vary depending on individual beliefs and values. Some religious or cultural perspectives may consider it sinful, while others may view it as a natural and healthy aspect of human sexuality. Ultimately, it is important to consider your own beliefs and values when evaluating this question.
My apologies if I am mistaken, but I do not believe that phrase appears anywhere in the Bible.
Many websites say Dwight L. Moody while I did find one which said C.S. Lewis
What he did say in the christian bible was "go forth and sin no more"
No, I wouldn't say it is a sin. But as a Christian, reading the Bible is essential to one's spiritual health, and therefore it is nessasary in one's walk with God to read the Bible. Just as you need water, you need the Bible to live fully in God.