simple!~

وَلَقَدْ يَسَّرْنَا الْقُرْآنَ لِلذِّكْرِ فَهَلْ مِنْ مُدَّكِرٍ

" And We have indeed made the Qur'an easy to understand and remember: then is there any that will receive admonition? " (54:17)