question #3 Sahih al-Bukhari 3984, Book 64, Hadith 35 : What lessons can be learned about conserving resources during times of conflict from the Prophet’s guidance?

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).