1) The document provides guidance on understanding the Quran and performing salah through a short course consisting of 27 lessons.
2) It emphasizes the importance of keeping one's heart clean through regular prayers, Quran recitation and good deeds in order to be guided by Allah.
3) The ultimate solution to Muslims' problems of doubts and desires lies in understanding the Quran, as it clears doubts and creates impulse to overcome desires.