Abu Musa Al-Ash'ari (May Allah be pleased with him) reported:
The Prophet (ﷺ) said, "Read the Qur'an regularly. By the One in Whose Hand Muhammad's soul is, it escapes from memory faster than a camel does from its tying ropes."[Al-Bukhari and Muslim].
App reference: Book 9, Hadith 12
Arabic/English book reference: Book 9, Hadith 1002