The Philosophy of the Teachings of Islam — Page 187
181 world then, whether a wise person follows him or not, reason is illumined and clarified to a degree not witnessed before. People begin to search for the truth and their faculty of reflection is stirred up from the unseen. Thus, all this upsurge of reason and of the heart is initiated by the blessed advent of the recipient of divine revelation and the waters of the earth are pulled up by it. So, when you find that everyone has started a search for religion and an upsurge has stirred earthly waters, then rise up and be warned and know for certain that heavy rain has fallen from heaven and that the water of divine revelation has fallen upon a human heart.