Our Right to Thought?

S. African Bill of Rights:

"Everyone has the right to freedom of conscience, religion, thought, belief and opinion." 

Universal Islamic Declaration of Human Rights:

"a) Every person has the right to express his thoughts and beliefs so long as he remains within the limits prescribed by the Law. No one, however, is entitled to disseminate falsehood or to circulate reports which may outrage public decency, or to indulge in slander, innuendo or to cast defamatory aspersions on other persons."

Universal Declaration of Human Rights: 

·         "Everyone has the right to freedom of thought, conscience and religion; this right includes freedom to change his religion or belief, and freedom, either alone or in community with others and in public or private, to manifest his religion or belief in teaching, practice, worship and observance."

               In these declarations, it appears to me as though the freedom to thought is oftentimes grouped with freedom of religion. Further, in the US Bill of Rights, the word thought is omitted entirely, and a paragraph defining our right to religion is given instead. Naturally, it seems clear that an oppressive entity would have difficulty in governing our thoughts; they're in our heads, personal, and only exist to another by proxy - our words and actions. So I might understand how this particular freedom may not receive as much attention as some of the others. However, there is a fine line between patriotism and indoctrination. Not to give our presentation away too much, but this is one of the most fundamental tactics used in North Korea, where more is created from very little by manipulating the thoughts of its people. But on the other hand, patriotism for one's own country, along with a little healthy bias (American exceptionalism?) can go a long way towards the functionality of a nation. So this leads to the question: how does one actually ensure freedom of thought amidst all the information being thrown at us on a daily basis? And how much is too much: should a balance be struck, or should striving towards absolute freedom of thought take precedence over all?