Universal Declaration of Human Rights...

 Article 18: Everyone has the right to freedom of thought, conscience and religion; this right includes freedom to change his or her religion or beliefs, and freedom, either alone or in community with others and in public or private, to manifest his or her religion or beliefs in teaching, practice, worship and observance.

Article 19: Everyone has the right to freedom of opinion and expression; this right includes freedom to hold opinions without interference...

Proverbs 4:5 Withhold not good from them to whom it is due, when it is in the power of thine hand to do it.