Let’s say someone was about to commit a mortal sin such as idk robbing a bank, but they use their conscience and decide not. Still a sin?

The emphasis regarding sin is no longer the action of sin, but the motivation of sin. Without going into a lot of detail to explain this... we all start out with a sinful nature. This needs to be changed to a godly nature, and that is what happens when one repents and believes the gospel. But, man with his sinful nature, has corrupted what it means to repent and believe the gospel.

No definitely not a sin if you had an idea and a plan to commit a sin and then turn back from that idea and from committing that sin you have pleased God because you did what was right even though you were tempted to do what was wrong

If sin has returned to the parking lot, it is no longer sin!

Nope. A temptation is not a sin. We all experience temptations to do things we should not do. No sin unless we know it is wrong, and still decide to do it.

No. Sin is just a religious concept. Sin is an imaginary disease, invented to sell you an imaginary cure.

Temptation per se is not sinful, but yielding to it is sinful.

With Catholics Sin is thought, word and deed. You think about what you want to do , may be talk about it and then you decide to act. Then you are sinning.

There are no sins in the Bible called "mortal sins". All sins are equal in that all sins are paid for by the person believing in Jesus. Jesus paid for all sins, so believing in Jesus for eternal life, means you are forgiven all sins past and future (Acts 10:43), and you will be in heaven (John 6:47).

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Nobody can be good enough to avoid hell. The truth is that death leads to immediate heaven or hell, depending only on whether the person believed in Jesus for eternal life, or not.

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The truth is that Jesus loves you and wants to bless your life freely :) Most of all, Jesus wants you with Him forever, and not in hell. The truth is that every belief except one will lead to eternal torment in the lake of fire for every person. Because nothing pays for our sins except the death and blood of Jesus, the sacrifice of Jesus that is already accomplished by Him . Jesus loves you! The truth is that Jesus is God, and Jesus died on the cross to pay for all of our sins in full, and then Jesus resurrected from the dead. Nothing else pays for our sins, not works, not deeds, not religions. So the only way to heaven and to avoid hell, is by believing in Jesus for eternal life (John 6:47), without adding any of your own works (Romans 4:5). Believe in Jesus to take you to heaven, and you will be in heaven, no matter what, guaranteed. That easy, thanks to Jesus! Tell Jesus that you thank Him that you will be with Him in heaven when you die, because you believe in Jesus! It is too late to be saved, after death

Thoughtcrime is death! Big Brother loves you.

no that would be a success. The resisting of temptation