وَمَآ أَنَآ مِنَ الْمُتَكَلِّفِينَ

(nor am I one of the Mutakallifin.) means, `and I do not add anything to that which Allah has told me. Whatever I am commanded to do, I do it, and I do not add anything or take anything away. By doing this I am seeking the Face of Allah and the Hereafter.' Sufyan Ath-Thawri, narrated from Al-A`mash and Mansur from Abu Ad-Duha that Masruq said, "We went to `Abdullah bin Mas`ud, may Allah be pleased with him. He said, `O people! Whoever knows a thing should say it, and whoever does not know should say, `Allah knows best."' It is part of knowledge, when one does not know, to say "Allah knows best." For Allah said to your Prophet :

قُلْ مَآ أَسْـَلُكُمْ عَلَيْهِ مِنْ أَجْرٍ وَمَآ أَنَآ مِنَ الْمُتَكَلِّفِينَ

In verse 86, it was said: وَمَا أَنَا مِنَ الْمُتَكَلِّفِينَ (nor am I from among those who make up things artificially.).

The blameworthiness of artificial behavior