و درود خدا بر او فرمود: (به نویسنده خود عبیدالله بن ابی رافع دستور داد) در دوات، لیقه بینداز، نوک قلم را بلند گیر، میان سطرها فاصله بگذار… Amir al-Mu'minin, peace be upon him, said to his secretary Ubaydullah ibn Abi Rafi " Put cotton flake in the inkpot keep the nib of your…

وَ قَالَ (عليه السلام): لِكَاتِبِهِ عُبَيْدِ اللَّهِ بْنِ أَبِي رَافِعٍ أَلِقْ دَوَاتَكَ وَ أَطِلْ جِلْفَةَ قَلَمِكَ وَ فَرِّجْ بَيْنَ السُّطُورِ وَ قَرْمِطْ بَيْنَ الْحُرُوفِ فَإِنَّ ذَلِكَ أَجْدَرُ بِصَبَاحَةِ الْخَطِّ

Amir al-Mu'minin, peace be upon him, said to his secretary Ubaydullah ibn Abi Rafi " Put cotton flake in the inkpot keep the nib of your pen long, leave space between lines and close up the letters because this is good for the beauty of the writing.

Source: Nahj al-Balagha, compiled by al-Sharif al-Radi. Persian: ترجمه محمد دشتی (Mohammad Dashti). English: Translation by Sayed Ali Reza (letters, sayings and sermons 1–16). Text from github.com/WWGTX/NahjulBalaghah. · Free for non-commercial religious use, with attribution