102:1

O mankind, you have been distracted by the rivalry of piling up worldly gains against one another.
Meaning:-
Rivalry: competition for the same objective.
Piling: squeezing , pushing.

102:8

you shall believe it, but that belief is going to do you no good because – on that Day, you shall be questioned about the blessings (faculties and resources that you were given in the worldly life – as to how you used them?)