Universally Acceptable Behaviours

You are to undergo circumcision, and it will be the sign of the covenant between me and you. For the generations to come every male among you who is eight days old must be circumcised, including those born in your household or bought with money from a foreigner - those who are not your offspring. (Genesis 17:11-12 NIV)

On the eighth day the boy is to be circumcised. (Leviticus 12:3 NIV)

Imagine there is a country where it is legally mandatory to blind every citizen in the right eye so that they can only have a left eyed view. If anyone have two eyes in this country, it would be considered as illegal and injustice to the rest of the citizens. All citizens are taught this from young and accept this a true and right. But to the rest of the world, this country has a cruel practice.

The Jews circumcised their baby boys on the eighth day. The boys are not given an option to reject and every Jew is taught that this is true and right. This article "Can the religious beliefs of parents justify the nonconsensual cutting of their child's genitals? | Practical Ethics" believed that circumcision of male babies is not right. Is this a cruel practice?

So who decides what is a cruel practice? Where is the line drawn? Who decides what is universally accepted? Only the creator and owner of the world has the right to decide. Thus, if you think you have the right, please prove that you have created the world and owned it.

Then there are others who think that "man is the measure of all things (Protagoras)" and there may be no God. So they think it can be decided by reason, science, consensus and democracy. Unfortunately, truth cannot be decide by democracy and even if 100% of the world voted that 1+1=3, it will still not be true. So finally it will be decided by the size of the military and political influence.

In those days Israel had no king; everyone did as they saw fit. (Judges 21:23 NIV)

For although they knew God, they neither glorified him as God nor gave thanks to him, but their thinking became futile and their foolish hearts were darkened. Although they claimed to be wise, they became fools and exchanged the glory of the immortal God for images made to look like a mortal human being and birds and animals and reptiles. (Romans 1:21-23 NIV)