Did We not expand for you your breast?1 Footnote - 1 i.e., enlighten, assure and gladden your heart with guidance.
And We removed from you your burden1 Footnote - 1 By forgiving any errors which you may have committed previously or might commit consequently. "Burden" can also refer to the anxiety experienced by the Prophet (ﷺ) at the beginning of his mission.
For indeed, with hardship [will be] ease [i.e., relief].
So when you have finished [your duties], then stand up [for worship].