Surah Al-Layl, verse 2

وَٱلَّيْلِ إِذَا يَغْشَىٰ ﴿١﴾

By the night when it covers

وَمَا خَلَقَ ٱلذَّكَرَ وَٱلْأُنثَىٰٓ ﴿٣﴾

And [by] He who created the male and female,

إِنَّ سَعْيَكُمْ لَشَتَّىٰ ﴿٤﴾

Indeed, your efforts are diverse.