The International Bill of Human Rights

[Upaseno]

Universal Declaration of Human Rights
Adopted and proclaimed by General Assembly resolution 217 A (III) of 10 December 1948

Article 18
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.

Source: http://www.ohchr.org/english/