This study dealt with the freedom of opinion, expression and belief in the Holy Quran and Sunnah.
Where freedom, opinion, and expression were defined as language and terminology, and were established for the purpose of saying the truth and expressing it, for the freedom of worship, for the Shura, for the freedom of belief for non-Muslims.
The study was subordinated to a statement of the apostate's ruling, and the scholars directed about that.
Samara, Abdullah Ahmand and Abu Ata, Anas Moustafa
"حرية الرأي والتعبير في الشريعة الإسلامية - دراسة تأصيلية- Freedom of Opinion and Expression in Islamic Law - A Fundamental Study,"
Jordan Journal of Islamic Studies: Vol. 16:
2, Article 4.
Available at: https://digitalcommons.aaru.edu.jo/jois/vol16/iss2/4