This is an Address delivered by Hadhrat Ahmad (as) on 3rd December 1904 at Lahore. It is also known as Lecture Lahore, i.e. an Address that was delivered in Lahore.
In it, Hadhrat Ahmed (as) compares the teachings of Islam with those of Hinduism and Christianity and proves with very convincing proofs that Islam is the best religion and it is this religion that the people must adopt.
The theme on which he dilates is that the prevailing condition of sinfulness in the world is the outcome of lack of God-realisation. The more a man realises the powers of God the more he is prone to doing virtuous deeds. The farther away he goes from God the greater his indulgence in sinful life.
Hadhrat Ahmad (as) says that the atonement taught by Christianity cannot cure this malady nor can it be set right by the teachings of Vedas (the sacred books of the Hindus). A perfect God-realisation is possible only through revelation (talking to God and listening to Him) and it is only Islam which can help create conditions conducive to the revelations from God: the Hindus and the Christians do not believe that God speaks any more.
Hadhrat Ahmed (as) says that there are two parts of religion:
1- Beliefs (tenets) and
The basic belief is our belief in the existence of God and in His attributes. He dilates on this point and proves to his listeners that Trinity taught by Christianity and the non-creation of matter and soul by God taught by the Vedas can never be true.
Talking about the practices or deeds, Hadhrat Ahmed (as) says that there are three stages of our duties towards human beings according to the teachings of Islam and here he refers to the verse Innallaha ya’morobil adli wal Ihsani wa eeta’zil Qurba.
Hadhrat Ahmed (as) also compares the teachings of Islam and other religions in connection with forgiveness and vengeance.
Before closing the book, he mentions his claim to be the Promised Messiah and cites proofs of the truthfulness of his claim and he also mentions his prophecies that had come to pass till that time.