Letter 87
While arguing, never quote statements from the Holy Qur'an because the passages of this Book require very careful consideration as they could be paraphrased in various ways and their meanings could be construed differently. Thus, you will adhere to your explanation and they will stick to their elucidation. Therefore, argue with them in the light of the traditions of the Holy Prophet (s) and then they will find no way to misrepresent truth.
Letter 86
When Imam Ali (a) sent Ibn Abbas as his representative to Basra, he gave him the following instructions.
Letter 88
Abu Musa Ash'ari (Abdullah bin Qays) wrote a letter to Imam Ali (a) from the place where decision of the arbitration took place. Imam Ali (a) wrote to him the following letter in reply. Sayyid bin Yah...