We hasten unto them with good things (in this worldly life so that they will have no share of good things in the Hereafter)? Nay, but they perceive not.

then when their Messengers came to them with clear proofs, they were glad (and proud) with that which they had of the knowledge (of worldly things): And that at which they used to mock, surrounded them (i.e. the punishment).

Man (the disbeliever) does not get tired of asking good (things from Allah), but if an evil touches him, then he gives up all hope and is lost in despair.

the mutual rivalry for piling up of worldly things diverts you,

Nay! If you knew with a sure knowledge (the end result of piling up, you would not have occupied yourselves in worldly things)