The Messenger of Allah ﷺ, and be cautious. He said, "I heard him say, 'Whoever turns gray with a single gray hair in Islam in the cause of Allah, it will be a light for him on the Day of Resurrection.'"He was told, "Narrate to us from the Prophet ﷺ, and be cautious."He said, "I heard him say, 'Shoot arrows. Whoever reaches the enemy with an arrow, Allah raises him by it one degree.'"Ibn al-Nahham asked, "Messenger of Allah, what is a degree?"He replied, "It is not like the threshold of your mother's house. Rather, between two degrees is a distance of one hundred years."
أخبرنا محمد بن العلاء قال حدثنا أبو معاوية قال حدثنا الأعمش عن عمرو بن مرة عن سالم بن أبي الجعد عن شرحبيل بن السمط قال لكعب بن مرة يا
عن رسول الله ﷺ واحذر قال سمعته يقول من شاب شيبة في الإسلام في سبيل الله كانت له نورا يوم القيامة قال له حدثنا عن النبي ﷺ واحذر قال سمعته يقول ارموا من بلغ العدو بسهم رفعه الله به درجة قال ابن النحام يا رسول الله وما الدرجة قال أما إنها ليست بعتبة أمك ولكن ما بين الدرجتين مائة عام
Sourcing, its isnad is daif. Ibn Majah narrated it in the Book of Manumission, chapter on manumission, no. 2522, from Muhammad bin Ala with this wording, and it is also in Kubra, no. 4352. Abu Dawud said, regarding no. 3967, that Salim did not hear from Shurahbil, and Shurahbil died at Siffin. The hadith has corroborating narrations in Muslim, no. 1509, and Humaydi, no. 767, and others.