They only are true believers who believe in God and His Messenger. When they are with him on some matter of common concern, they should not depart until they have asked him for permission to do so. Those who ask you for such permission are the ones who truly believe in God and His Messenger. When they ask you for permission to attend to some affair of their own, then grant it to whoever you please and seek forgiveness from God for them. God is forgiving and merciful. 62 Do not consider your being summoned by the Apostle to be like your summoning one another. God knows those of you who go away surreptitiously. So let those who act in contravention of his command take heed lest a trial should befall them or a grievous punishment come upon them. 63 The heavens and the earth, certainly, belong to God. He surely knows all about you in this life. On the day when you return to Him, He will tell you all about whatever you have done. God has the knowledge of all things. 64