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Mankind is an unique creature! Sinful people can't mentally perceive the revealed truth of God, but they have chosen instead to suppress it. They are without excuse...and God's anger will be revealed against sin and the suppression of the truth one day.
Therefore you are inexcusable, O man, whoever you are who judge, for in whatever you judge another you condemn yourself, for you who judge practice the same things; for you know that the judgement of God is according to truth against those who practice such things. (Romans 2:1-2)
We judge our neighbor (right or wrong), for their deeds, but commit the same deeds against others and receive praise (humanities double standard). We justify untruths and accept lies to suite some given political agenda. We convince ourselves that it is for the betterment of mankind that we act the way we do; then force that action on other countries. Most want you to believe this Scripture addresses homosexuality, but be careful...for those who throw stones will soon have stones thrown at them... "So when you, a mere man, pass judgment on them and yet do the same things, do you think you will escape God's judgment" (Romans 2:3).
So, how do we change? Certainly if we allow mankind to right the rules, change will never come about. Only God can make the difference...our hearts need to be changed from the inside out.