Learn surat Al Bayinah 1 to 3:

سُوۡرَةُ البَیّنَة
بِسۡمِ ٱللَّهِ ٱلرَّحۡمَـٰنِ ٱلرَّحِيمِ

لَمۡ يَكُنِ ٱلَّذِينَ كَفَرُواْ مِنۡ أَهۡلِ ٱلۡكِتَـٰبِ وَٱلۡمُشۡرِكِينَ مُنفَكِّينَ حَتَّىٰ تَأۡتِيَہُمُ ٱلۡبَيِّنَةُ (١) رَسُولٌ۬ مِّنَ ٱللَّهِ يَتۡلُواْ صُحُفًا مُّطَهَّرَةً (٢) فِيہَا كُتُبٌ قَيِّمَةٌ (٣)

Learn the meaning in English:

Surah Al-Bayyina
In the name of Allah Most Gracious Most Merciful.

Those who reject (Truth), among the People of the Book and among the Polytheists, were not going to depart (from their ways) until there should come to them Clear Evidence― (1) A messenger from Allah, rehearsing scriptures kept pure and holy: (2) Wherein are laws (or decrees) right and straight. (3)