Christians follow the Old Testament. Don't want to start a flame war, but the Mosaic Law is derived from the Ten Commandments and rules from the Torah, and serves as the basis for Christian moral code, underneath the teachings of Jesus. If Christians didn't follow the OT, they wouldn't reference it to counter homosexuality.

We see the Old Testament as being outdated a bit. It's not like we ignore it's existence, we acknowledge the Old Testament and all it did to further our religion, but we focus more on the New Testament.

“For truly, I say to you, till heaven and earth pass away, not an iota, not a dot, will pass the law until all is accomplished. Whoever then relaxes one of the least of these commandments and teaches men so, shall be called least in the kingdom of heaven; but he who does them and teaches them shall be called great in the kingdom of heaven.”

"It is easier for Heaven and Earth to pass away than for the smallest part of the letter of the law to become invalid."

"All Scripture is God-breathed and is useful for teaching, rebuking, correcting and training in righteousness, so that the servant of God may be thoroughly equipped for every good work."

That's Jesus. The "Law" is the law of the Old Testament. Sounds a lot like he wanted you to obey it.

Following the laws and worshiping the scripture are two different things. The New Testament had parts that were based on the Old Testament, it's just that the New Testament was like a revised copy so to say.

Lemme try that again.

"...but he who does them and teaches them shall be called great in the kingdom of heaven.”

I don't see where Jesus said that the Old Testament is not to be obeyed, but I'll give you the benefit of the doubt!

What do those quotes that I've put down mean? That is, Jesus has apparently said to listen to the Old Testament AND to NOT listen to the Old Testament, so how do we tell which one it is?

The Old Testament is not something that Christians are to ever ignore. It is the foundation of Jewish society, and teaches us why Christ was even necessary. Christianity doesn't dictate how a society should run, or some kind of priestly hierarchy. It's about moral character and how you treat other people. He came to fulfill the Law so that everyone would be unified under that ideal. Selflessness, compassion, grace, charity and temperance above selfish gain. Jesus also says that "Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.", which directly contradicts the Law's edicts about what could or could not be consumed. Jesus' ministry served a different purpose than the Law did; the Law was meant to establish Jewish society and separate it entirely from the 'sinful' cultures that had enslaved it.

I did not say that you should ignore it. I said that Jesus said, very specifically, that you should obey the Old Testament commandments. It's the very first quote I put there. I would argue that the third one also says that what is said in the Old Testament is righteous. Perhaps there's something lost in translation (or gained as the case may be), but the idea of something being righteous means it's something exemplary. Something that you should model yourself after. Not that it's something that should be looked at, but regarded as unfit for living your life by.

Look, I'm just telling you as a life long Christian what our beliefs are and what it is that we specifically follow. I'm not some sort of religious acolyte or professor of religion. I don't know every single aspect of the religion. I agree with a majority of the beliefs and it makes me feel good knowing I have a higher purpose. The Old Testament also states that we can't associate with women during menstruation, we can't eat lobster and if a wife cheats on her husband she is to be stoned to death. It was written during a time very different than ours is currently. If you don't like it, if you think it's stupid, if you think I'm an idiot for following a flawed set of ideals and code of morals, then fine. I respect you for your beliefs and I accept you as my religion teaches me to do to those who are similar in my beliefs as well as different. So on that note my friend, have a nice remainder of the day :)