Paul said, "There is none righteous, no not one." (Romans 3:10). Another religious sound-bite taken out of context. Paul was speaking of "unbelievers."
Those who are "born-again" cannot sin without being convicted of sin...and quickly repent. They are not sinless, but they do sin less...knowing, the wages of sin is death.
Sin is not evil, it's unrighteousness. It's choosing to do wrong. Everyone knows right from wrong. When you choose to do wrong, you do so willingly; thus, it is sin.
To wit, smoking and drinking are not sins. They may not be good for you (expedient), and may cause you to sin, but they are not sins.
There is no "commandment" to stop smoking and drinking...although wisdom dictates you should, for better health.
You won't go to hell for smoking or drinking (although you may get there quicker by doing them if that's where you're headed anyway). Bad habits have bad consequences.
Jesus made it clear, "Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man" (Matthew 15:11)
Sin doesn't condemn you to hell. It's not acknowledging, confessing and repenting of your sins that separates you from God.
If that's what you want, just keep sinning.
Eat, drink and be merry (Ecclesiastes 8:15), because until you know, without a doubt, God is real...nothing else matters.
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