Iqbal closes the entire Reconstruction not with a philosophical argument but with a poem from his Jāvīd Nāmah, in which the ego must summon three witnesses to verify its reality — its own consciousness, the consciousness of another ego, and finally the consciousness of God. The book ends with a direct imperative to the reader: re-chisel thine ancient frame and build up a new being — for such being is real being, or else thy ego is a mere ring of smoke.
Section 10 delivered the lecture's constructive synthesis: the parallelism of scientific and religious purification, the Sufi practitioner as critical sifter of experience, and the philosophical climax in which the ego's ultimate aim is defined not as contemplation but as creative action — the Kantian 'I can' displacing the Cartesian 'I think,' and individuality sharpened rather than dissolved. Section 11 — the final section of the entire Reconstruction of Religious Thought in Islam — now closes the work not with a philosophical argument but with a poem: Iqbal's own translation from the Jāvīd Nāmah (Book of Eternity, 1932), in which the three witnesses of the ego's reality — self-consciousness, the consciousness of another ego, and God's consciousness — are invoked as the ultimate test of whether the ego has achieved genuine permanence.
The section is a single sustained poetic passage that functions simultaneously as conclusion, challenge, and programme. As conclusion, it answers the question 'Is religion possible?' with an emphatic affirmative: religion is possible because the ego can, through disciplined purification and creative action, attain a reality so robust that it can stand 'unshaken' before God's own light. As challenge, it transforms the philosophical question into a personal imperative: the test of religion's possibility is not an argument to be won but a trial to be undergone — 'that man alone is real who dares — dares to see God face to face!' As programme, it encapsulates the entire Reconstruction's anthropology in a single image: the ego as raw material that must be 're-chiselled' into 'a new being,' where the alternative to creative self-construction is dissolution into 'a mere ring of smoke.'
The choice to end the Reconstruction with poetry rather than prose is itself philosophically significant. The seven lectures have progressively argued that the conceptual, analytical mode of engagement with reality — the mode of philosophy and science — is necessary but insufficient. The final word must come in the form that transcends conceptual analysis: the poetic utterance that is simultaneously thought and deed, concept and experience, argument and invocation. The Reconstruction begins in the lecture hall and ends in the poet's workshop — which is to say, in the place where thought becomes creative action.