Hadith 24:5
Husayn narrated to us, from Abd al-Malik ibn Abjar, who said: They used to speak. He said: Ali went out one time, and with him was Aqil, and with Aqil was a ram. He said: So Ali said, "Will one of us shorten his mention (of God/prayer)?" He said: Aqil said, "As for me and my ram, then no."
حدثنا حسين عن عبد الملك بن أبجر قال كانوا يتكلمون قال فخرج علي مرة ومعه عقيل ومع عقيل كبش قال فقال علي يقصر أحدنا بذكره قال قال عقيل أما أنا وكبشي فلا