The facts described throughout this book are those that are the most important in regards to this life. Because man is a being who was created by Allah, and will ultimately return to Him, nothing can be more important than knowing Allah and how to serve Him.
Therefore, you need to pay due attention to these facts, and reconsider your goals in life, and, if necessary, reorient your actions and the direction of your lives in the light of the following facts.
Do you know Allah, your Creator?
Do you give thanks to Him?
Are you aware of the Book He has sent you as a guide to the true path?
Or, what do you do to live by this Book?
We assure you that these are the most important matters related to your life. All else will pass or perish, but Allah will remain for all eternity. Allah's promise too, that is, the Day of Judgment and the , will exist. You will someday die, and will then be raised again, and called forth to Allah to give account of your deeds.
Do not forget that both a happy life in this world, and a blissful life in the , depend on your service to Allah. This is the reason for which Allah created you. Surrender yourself to the purpose of your creation, worship Him and turn towards Him.