Surah Alam nashrah. explanation

Surah Alam nashrah.
Translation: (O Prophet) Have we not opened your chest? (Surely We opened your chest) and We removed from you your burden, which made your back heavy. And We have raised your remembrance. So of course there is ease with difficulty. Of course, with difficulty comes ease. So when you are free, work hard in worship. And his heart turned to his Lord.
 Explanation, this is a Mickey Surah. In the first four verses, three praiseworthy attributes of the Holy Prophet are described:
۔ We opened your chest. That is, we have enlightened your chest, and sent down in it the sea of ​​knowledge and knowledge. And gave great encouragement to bear the essentials of prophethood and the duties of prophethood. This verse also refers to Shaq Sadr, who happened to be with the Holy Prophet twice. Once in childhood, the second time on the night of Ascension. In Shaq-e-Sadr, his heart was taken out by cutting his blessed chest, he was washed with Zamzam water and put in his place, and he was filled with faith and wisdom.
۔ We removed your burden from you, which made your back heavy. That is to say, by realizing the responsibilities of the office of Prophethood, you will have to pay dearly for it. Or the minister (burden) refers to those legitimate matters which you used to do from time to time with the understanding of wisdom and prudence, and later it would appear that they were against wisdom or against the priest, and you would carry the burden of glory and closeness to it. They used to mourn in the same way as one mourns for a sin, so in this verse it was announced that there will be no reproach. Allah Almighty had forgiven all his past and future sins. Even in the 5 years of life before Prophethood, Allah protected you from sins.
۔ And We have raised your remembrance. Hazrat Mujahid says that wherever I (Allah) will be mentioned, you (the Prophet) will also be mentioned, such as I bear witness that there is no god but Allah and I bear witness that Muhammad is the Messenger of Allah. Hazrat Qatadah (AS) says that in this world and in the hereafter, Allah Almighty has raised his remembrance. There is no preacher, no preacher, no preacher, no muezzin, no worshiper who does not have the word of his message with the oneness of Allah. Read it For the sake of both the world and the Hereafter, where Allah Almighty has exalted him.
In the fifth and sixth verses, a principle is stated that after hardship, one gets relief from Allah Almighty.
In the last two verses, Allah Almighty said to the Holy Prophet: O Prophet, when you are free, worship so much that you will get tired. That is, be so engaged in prayers, preaching, jihad and supplication that you get tired. And his heart turned to his Lord.