Rene' Lane wrote: "There are many MORE than 10 commandments in the Bible :-D"
Actually to expand our definition of sin beyond what is written is dangerous. For example some say that wearing lipstick is a sin or eating animals is a sin.
Please listen and I will try to explain what I mean.
Jn 3:4 Whosoever committeth sin transgresseth also the law: for sin is the transgression of the law.
John is saying that in order to commit sin we must transgress the law. That is - we must break one of the ten commandments to commit sin. However we know it would sin for me to refuse to love my neighbor and yet it is not one of the ten commandments.
Why is it sin? Because it breaks the first commandment. If I refuse to love my neighbor I am making myself god before God.
We must obey all of the commandments of Jesus, statutes, ordinances etc. of the Bible which apply to us today. If we refuse we are breaking the first commandment.