The traveller next listens to the thunder and watches the lightning. He understands that these two wondrous events in the atmosphere are like a material demonstration of the verse,

They also announce the coming of rain, and thus give glad tidings to the needy.

Yes, this sudden utterance of a miraculous sound by the atmosphere; the filling of the dark sky with the flash and fire of lightning; the setting alight of the clouds that resemble mountains of cotton or pipes bursting with water and snow these and similar phenomena are like a blow struck on the head of the negligent man whose gaze is directed down at the earth. They tell him:

“Lift up your head, look at the miraculous deeds of the most active and powerful being who wishes to make himself known. In the same way that

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(1) Qur’an, 42:28.
(1) Qur’an, 13:13.
(2) Qur’an, 24:43.