Sahih Muslim Book 20, Hadith Number 4711.

Chapter : The merit of archery and inducing others to learn it and denunciation of one who learnt the art and then neglected it.

It has been narrated on the authority of Ibn Amir who said: I heard the Messenger of Allah (may peace be upon him) say-and he was delivering a sermon from the pulpit: Prepare to meet them with as much strength as you can afford. Beware, strength consists in archery. Beware, strength consists in archery. Beware, strength consists in archery.