أَلْهَىٰكُمُ ٱلتَّكَاثُرُ ﴿١﴾
The mutual rivalry for piling up (the good things of this world) diverts you (from the more serious things),
كَلَّا لَوْ تَعْلَمُونَ عِلْمَ ٱلْيَقِينِ ﴿٥﴾
Nay, were ye to know with certainty of mind, (ye would beware!)