Divine Justice or the Problem of Evil
 According to Avicenna (Ibn Sina), Persian philosopher, physician and scientist of the Middle Ages, "Prophet Muhammad had two miracles: The Qur'an and `Ali," because `Ali was educated wholly by the Prophet.
 George Jordagh, Imam Ali, The voice of Human Justice.
 `Ali ibn Abi Talib, Nahj al-balaghah.
 In fact when we believe in the justice of God, we will try to see the same justice in society. Because any injustice will be against the will of God and against the music of the universe. And this is why the belief in the justice of God was always a threat to the ruling powers.
Muhammad Taqi Ja'fari in an interview.
 Extracted from `Adl-i ilahi by Murtada Mutahhari
 This is not contradictory to evolutionary theories, given that they are valid, since the question still remains that why one evolved into that thing and the other into another thing.
 The 5th Imam after the Holy Prophet.
 Majlisi, Bihar al-anwar, New Edition: vol. .67, p.213.
 The 6th Imam, or carrier of wisdom after the Holy Prophet.
 Majlisi, Bihar al-anwar, vol. 67, p.208.