"The Truth of this statement can be seen in any offspring they may be blest with."  
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I hope you are including their gay offspring in this sentence because they also have received the gift of life... and for whom the Church teaches lifelong celibacy which, according to your reasoning, deliberately denies them from offering any child an opportunity at life, thereby putting them in a perpetual state of sin.   One surely does have to check their brain in at the door of the Catholic Church.