The first time I enjoy the supplication - written by others

I do not carry concern for the answer, but concern for the supplication, so if I am inspired to supplicate, then the answer is with it. • Omar bin Khattab, may Allah be pleased with him. Because supplication is worship, so it must have principles and rulings, as well as virtues, needs, times of response, and how... So, the book of Mr. Adel Mohammed Khalil came to clarify for us between the pages of this book the states of the righteous predecessors, how to supplicate, the times of response, its secret, the wisdom of delaying it, and the answers to the questions of the enquirers regarding supplication.