Reconstruction of Religious Thought in Islam by Iqbal, p.123
.. Hell, therefore, as conceived by the Quran, is not a pit of everlasting torture inflicted by a revengeful God; it is a corrective experience which may make a hardened ego once more sensitive to the living breeze of Divine Grace.
Nor is Heaven a holiday. Life is one and continuous. Man marches always onward to receive ever fresh illuminations from an Infinite Reality which 'every moment appears in a new glory'.