Qur'an al-Furqan (The Criterion) 25:20: And We did not send before you, [O Muhammad], any of the messengers except that they ate food and walked in the markets. And We have made some of you [people] as trial for others - will you have patience? And ever is your Lord, Seeing.
وَلَقَدْ يَسَّرْنَا الْقُرْآنَ لِلذِّكْرِ فَهَلْ مِنْ مُدَّكِرٍ And We have indeed made the Quran easy to understand and remember, then is there any that will remember (or receive admonition)? Al-Qamar (54:17)