Sahih al-Bukhari 3984
صحيح البخاري#3984SahihNarrated Usaid:On the day of Badr, Allah's Messenger (ﷺ) said to us, "When the enemy comes near to you, shoot at them but use your arrows sparingly (so that your arrows should not be wasted)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 64:35