It wasnarrated from 'Abdullah bin 'Amr that the Messenger of Allah(ﷺ) said:
"No one properly understands who reads the Qur'an inlessthan three days." (RU)
English reference (RU): Vol. 1, Book 5, Hadith 1347 (RU)
Arabic reference (RU): Book 5, Hadith 1408 (RU)