٥١ : ٤٩
وَمِن كُلِّ شَيۡءٍ خَلَقۡنَا زَوۡجَيۡنِ لَعَلَّكُمۡ تَذَكَّرُونَ
And We have created everything in pairs, so that you may take heed.
شرح ومعانٍ · ١
- Such as day and night, male and female, light and darkness, sweet and bitter, hot and cold, etc.