"If you give me six lines written by the hand of the most honest of men, I will find something in them which will hang him." -Cardinal Richelieu (supposedly)

Your view seems quite naive to me. Not only do times change, with previously acceptable things becoming unspeakable (eg. "retarded", "transsexual", "transvestite"), but with taking out of context and selective quoting you can distort the meaning of almost anything.