17:88 . Say : Verily , though mankind and the Jinn should assemble to produce the like of this Quran , they could not produce the like thereof though they were helpers one of another .
17:89 . And verity We have displayed for mankind in this Quran all kids or similitudes , but most of mankind refuse aught save disbelief .
17:90 . And they say : We will not put faith in thee till thou cause a spring to gush forth from the earth for us ;
17:91 . Or thou have a garden of date palms and grapes , and cause rivers to gush forth therein abundantly ;
17:92 . Or thou cause the heaven to fall upon us piecemeal , as thou hast pretended , or bring Allah and the angels as a warrant ;