Because religion is laughable

Religion Free Zone Sign

Religion Free Zone Sign Picture

Your are entering a religion free zone sign - only reason rules here - religion is poison - free yourself
No bigotry - no hateful old books - no superstition - no imaginary friends - no child abuse - no sharia
"This would be the best of all possible worlds if there were no [organized] religion in it" 
John Adams
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"But a short time elapsed after the death of the great reformer of the Jewish religion, before his principles were departed from by those who professed to be his special servants, and perverted into an engine for enslaving mankind, and aggrandizing their oppressors in Church and State." 
Thomas Jefferson
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"Nothing can be more contrary to religion and the clergy than reason and common sense." 
Voltaire
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"The sense of spiritual relief, which comes from rejecting the idea of God as a supernatural being, is enormous." 
Sir Julian Huxley