Narrated Usaid: On the day of Badr, Allah's Apostle 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).
Hadith Referenceصحيح البخاري / كتاب المغازي / 3984
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة