The Important Lessons for the Muslim Ummah

(I begin) in the name of Allah, the Most Merciful and
Is merciful
All praise is due to Allah, the Creator of all the universes
He is the Sustainer and good will be the result of those who fear Allah, and Darood (Praise) and Salam (Peace) be upon our Prophet Muhammad and all your family (etc.) and companions.
Thereafter!
These are some words, through which I have described some topics related to Islam, whose knowledge is necessary for common people. I have named them:
Important lesson for common people
I pray to Allah that this book should be in the interest of Muslims and may Allah accept this effort of mine. He is undoubtedly very charitable.