Musnad Ahmad 27:895

'Attab narrated to us, 'Abdullah narrated to us, Musa bin 'Uqbah informed us, from Nafi', from Ibn 'Umar, who said: The Messenger of Allah (ﷺ) said: "The upper hand is better than the lower hand. The upper hand is the one that gives, and the lower hand is the one that asks."