Have you not seen that God, through His command, has made all that is in the earth and the ships that sail on the sea subservient to you? He prevents the sky from falling on the earth unless He decides otherwise. God is Compassionate and Merciful to mankind. 65 And it is He Who gave you life, then will cause you to die, and will then revive you; indeed man is very ungrateful. 66 Unto every community We have appointed a rite which they perform. Let them not therefore contend with thee in the affair; and call them thou unto thy Lord, verily thou art on true guidance. 67 If they do wrangle with thee, say, "Allah knows best what it is ye are doing." 68 He will issue His decree about your differences on the Day of Judgment." 69 Did you not realise that Allah knows all that is in the heavens and in the earth? Indeed all this is in a Book; indeed this is easy for Allah. 70 And they worship besides Allah that for which He has not sent down authority and that of which they have no knowledge. And there will not be for the wrongdoers any helper. 71 And when Our Clear Verses are recited to them, you will notice a denial on the faces of the disbelievers! They are nearly ready to attack with violence those who recite Our Verses to them. Say: "Shall I tell you of something worse than that? The Fire (of Hell) which Allah has promised to those who disbelieve, and worst indeed is that destination!" 72