So you use common sense to determine the objective morality of each issue that comes up? That doesn't seem very objective to me so I assume there's more to it than that.
No, I use common sense to discern when the bible is referecing moral absolutes, or when it is dealing with legal and moral codes relevant for a specific people at a specific time.
What I'm trying to figure out is how you "know" (or find out) the morality of any issue that you encounter (ie is it "good" or "evil").
Curious, I thought that is what we were asking you??
Depends. My parents didn't have to sit me down one day and say, "Joel, you shouldn't murder anyone." I, you, we KNOW that. It is written on our hearts.
I remember stealing something as a child. I knew it was wrong, even though no one had implicitly said, "don't take that off the shelf and put it in your pocket." I stole it, knowing in my heart of hearts that it was absolutely wrong. So the conscience is one way. But a person's
conscience can be out of sync with right and wrong. There are plenty of people who do wrong things, but don't view them as wrong. They have either seared their conscience, or have perverted their conscience through continued disobedience. Or they have been influenced by a culture that has had the same effect.
The commands. Jesus gave numerous other commands besides "do unto others..." The old testament 10 is the basic moral code given to man by god, through the nation of Israel. For a Christian the 10 is summed up in these two: "love the Lord your God with all your heart, soul, mind, and strength, and love your neighbor as yourself." Anything that would violate those two would cross God's moral boundry.
My parents did teach me rules of society, conduct, manners, etc.
As a born again person I am taught by the Holy Spirit and thus with an enlightened eye towards the scriptures. In following Christ I have found I began to hate the things I used to love, and love the things I used to hate. It is a transforming work. The more sensative I am to this nature, the more I am transformed, and able to discern this inner voice. That is the absolute filter through which everything in my life passes today. This means my preferences are not the issue. I would hope that my preferences would always reflect what the spirit desires, but sadly this isn't the case. Then I must obey the spirit, and not my feelings.
You can say, "do unto others," but that may have a different meaning for you and for the Christian. For a Christian, they are seeing their sin primarily as vertical (towards God), where as the secular is only concerned with the horizontal (towards others). The Christian knows that no trangression will go unnoticed. This would appear not to be a concern to the secular person. But many will find their consciences gnawing at them, even though their transgressions have gone unobserved.
For a Christian it is about being inside the will of God. Anything outside the will of God is immoral and is sinful. For a secular person this is where the shades of gray come in. This is why Jac will not be able to convince you through philosophy. You see morality as shifting and changing through time according to cultural and societal perferences. Jac is saying that this isn't morality at all. The Christian knows that despite the flawed and often confused moral interpretations of secular society that there is a fixed, immovable and unchangable law that stands above all.
I think another problem you run into is in defining what is morality. I don't remember when slavery came in to this converstation, but I don't think I introduced it. It seems to me that you have addressed it as evidence that the bible is not a moral book. In other words, because the bible has regulations dealing with slavery, the bible condones slavery. In your mind slavery is wrong, regardless of context, and thus the bible is wrong and immoral. If this is wrong please correct me. Sorry, but the bible dealing with slavery does not mean that the the bible condones all kinds of slavery at all kinds of times.
It is not a direct moral issue. It is a contextual issue. And making a blanket statement, "slavery is wrong," is not a contextually considerate conclusion. Although it may serve your function to build an unreasonable standard. No one edited out the difficult parts of the bible. The bible dealt with the harsh realities of a fallen world. To reject it on such grounds is unreasonable.