In The Name of God, The Most Gracious, The Dispenser of Grace.
103:1 Consider the flight of time!
The term “asr denotes “time” that is measurable, consisting of a succession of periods (in distinction from dahr, which signifies “unlimited time”, without beginning or end: i.e., “time absolute”). Hence, asr bears the connotation of the passing or the flight of time – time which can never be recaptured.
103:2 Verily, man is bound to lose himself.
Lit., “man is indeed in [a state of] loss, except those.”, etc
103:3 Unless he be of those who attain to faith, and do good works, and enjoin upon one another the keeping to truth, and enjoin upon one another patience in adversity.