Musnad Ahmad 482:46

Yazid ibn Abd Rabbih narrated to us, he said: Al-Walid ibn Muslim narrated to us, from Ibn Jabir, from Abu Salam, from Khalid ibn Zayd, from Uqbah ibn Amir, from the Messenger of Allah (peace and blessings of Allah be upon him), who said: "Whoever learns archery and then abandons it after having learned it, it is a blessing he has shown ingratitude for."