At last Thursday's National Prayer Breakfast Obama claimed that his policies are motivated by "God's command to 'love thy neighbor as thyself'." He then conflated this law of love with the golden rule, and made a blatantly dishonest claim about Islam:
I know the version of that Golden Rule is found in every major religion and every set of beliefs from Hinduism to Islam to Judaism to the writings of Plato.
In fact, Islam repeatedly and explicitly rejects the law of love, teaching instead a law of hate.
When Jesus was asked "who is my neighbor?" (Luke 10:29), he answered (via the parable of the good Samaritan) that everyone is everyone's neighbor. Islam, in contrast, instructs Muslims to be good only to other Muslims.
Koran, verse 48.29:
Muhammad is the Messenger of Allah, and those with him are firm of heart against the unbelievers, compassionate among themselves.
Verse 3.28 says that Muslims can only pretend to befriend infidels:
Let not the believers Take for friends or helpers Unbelievers rather than believers: if any do that, in nothing will there be help from Allah: except by way of precaution, that ye may Guard yourselves from them.
Of course we are very familiar with this in practice, as one revealed terror-plotter after another is described by surprised neighbors and co-workers as the nicest guy.
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In Islam the principle of reciprocity is extended only between Muslims, which makes it a principle, not of reciprocity at all, but of bigotry and prejudice. Islam is the only religion of any significance that does not embrace a universal principle of reciprocity.