I feel quite differently about "He's a jolly good fellow" and the pledge of allegiance. I have never felt forced by authority figures to say the former. Encouraged, yes, but not at all the way the pledge of allegiance was expected of one.
It is, as you say, "We should never be compelled to speak someone else's words..." That is enough, and the rest of your sentence can be dropped.
It is, as you say, "We should never be compelled to speak someone else's words..." That is enough, and the rest of your sentence can be dropped.
"A wise man ... proportions his belief to the evidence."
— David Hume, An Enquiry Concerning Human Understanding, Section X, Part I.