And if you ask them “Who created the heavens and earth”, surely they will answer: "Allah". You say: "Praise to Allah", but most of them do not know.
Knowledge is one of the names of Adhikr. Today among mankind only Arabic Quran reading Fujjar are answering Allah for this question. But in their practical life they do not approve Lord Allah as the Creator of the Heavens and earth, and all in between them including mankind as told in verse 32: 4. Upon them Lord’s curse and wrath are affected and to them, Hell is promised as returning place as told in verses 9: 67-68; 48: 6 and 83: 7. Adhikr is made very easy to understand with one’s heart as told in verses 54: 17, 22, 32 and 40. But only believers try to understand It. See explanation 4: 133; 28: 57, 62-64, and 29: 63.