Quran

Alif. Lam. Ra. [This is] a Scripture which We have revealed unto thee[Muhammad] that thereby thou mayst bring forth mankind from darkness unto light,by the permission of their Lord, unto the path of the Mighty, the Owner of Praise.
(Al-Quran - Ibrahim - 1)

Hadith

And We have not sent thee [O Muhammad] save as a bringer of good tidings anda warner unto all mankind; but most of mankind know not.
(Al-Quran - Saba-28)

Books

And know that your possessions and your children are a test, and that with Allah is immense reward.
(Al-Quran - Al-Anfal-28)

Latest

Our Lord!Condemn us not if we forget, or miss the mark! Our Lord! Lay not on us such aburden as thou didst lay on those before us! Our Lord! Impose not on us thatwhich we have not the strength to bear!
(Al-Quran - Al-Baqara-286)