Verily! It is We Who have sent down the Quran to you (O Muhammad SAW) by stages. 23 So be patient for the decision of your Lord and do not obey from among them a sinner or ungrateful [disbeliever]. 24 Remember the name of thy Lord at morn and evening. 25 And during the night - worship Him; and hallow Him the livelong night. 26 Indeed these people love what they have, the fleeting one, and have forsaken the immensely important day behind them. 27 We have created them and have given them strength. Had We wanted, We could have replaced them with another people like them. 28 VERILY, all this is an admonition: whoever, then, so wills, may unto his Sustainer find a way. 29 But you cannot will it unless God wills [to show you that way] -- God is indeed all-knowing and wise -- 30 He makes whom He pleases to enter into His mercy; and (as for) the unjust, He has prepared for them a painful chastisement. 31