أَلَمْ تَرَ كَيْفَ ضَرَبَ اللّهُ مَثَلاً كَلِمَةً طَيِّبَةً كَشَجَرةٍ طَيِّبَةٍ أَصْلُهَا ثَابِتٌ وَفَرْعُهَا فِي السَّمَاء
تُؤْتِي أُكُلَهَا كُلَّ حِينٍ بِإِذْنِ رَبِّهَا وَيَضْرِبُ اللّهُ الأَمْثَالَ لِلنَّاسِ لَعَلَّهُمْ يَتَذَكَّرُون
Art thou not aware how God sets forth the parable of a good word? [It is] like a good tree, firmly rooted, [reaching out] with its branches towards the sky, yielding its fruit at all times by its Sustainer’s leave. And [thus it is that] God propounds parables unto men,’ so that they might bethink themselves [of the truth].
holy quran, surah 14 [ibrahim]: ayat 24-25