Nahj al-Balagha Hadith n. 414

Selections from The Sayings and Preaching of Amir al-Muminin Ali ibn Abi Talib (Peace Be Upon Him) Including His Replies to Questions and Maxims Expressed for Various Purposes.
Translated by Sayyid Ali Reza

وفي خبرٍ آخر أنّه عليه السلام قال للاَشعث بن قيس معزياً:

In another tradition it is related that Imam (A.S.) said to al-Ash'ath ibn Qays by way of condolence on the death of his son:

إِنْ صَبَرْتَ صَبْرَ الاْكَارِمِ،

Either endure like great people

وَإِلاَّ سَلَوْتَ سُلُوَّ الْبَهَائِمِ.

or else you will forget like animals.