40-55
So be patient, the promise of Allah is certainly true and seek protection for your sin and glorify by praising your Fosterer in the evening and the morning.
One has to seek the protection of Allah (SWT) from future sins too i.e., we should pray to Him not only to forgive our past sins but also to keep us safe form committing sins in future.
40-56
Those who dispute concerning the signs of Allah without (any) authority that has come to them, there is nothing in their bosoms (hearts) except (the desire to be) great, which they will certainly never attain, so seek the protection of Allah, He is certainly the Hearing, the Seeing.
Proud people dispute concerning Divine messages, without any authority.
40-57
The creation of the skies and the earth is certainly greater than the creation of human beings, but the majority of human beings does not know.
The majority of human beings, due to lack of knowledge, do not know that the creation of the heavenly bodies, weighing in millions of tones and moving in an organized manner, is a greater affair than their creation.
40-58
And the blind and the seeing are not equal, nor are those who believe and do righteous works (equal to) the evil doers, little is it that you mind.
Good and bad are not equal.
40-59
The hour of doom will certainly come, there is no doubt in it, but the majority of human beings does not believe.
The majority does not believe but the world will come to an end.