Musannaf Ibn Abi Shayba 33:1430

'Affan narrated to us, he said: Sa'id ibn Zayd narrated to us, he said: 'Amr ibn Malik narrated to us, he said: I heard Abu al-Jawza' say: "Moving stones is easier for the hypocrite than reciting the Qur'an." And Sa'id said: "Lighter for the hypocrite."