and a detailed explanation of all things.” [Yūsuf: 111]
And He said:
“Indeed, this Quran guides to what is most upright.” [al-Isrā’: 9]
And He said:
“Whoever follows My guidance will neither go astray nor suffer misery (123).” [Tā Hā: 123]
And He said:
“Follow what has been sent down to you from your Lord, and do not follow any protectors besides Him.” [al-Aʿrāf: 3]
Allah Most High said:
“Allah would never lead a people astray after guiding them until He has made clear to them what they must avoid.” [al-Tawbah: 115]
And He said:
“Thus We have revealed to you a revelation by Our command. You did not know what the Book was, nor faith, but We made it a light by which We guide whomever We will of Our servants.” [al-Shūrā: 52]
And He said:
“Those who believe in him, honour him, support him, and follow the light sent down with him—it is they who will prosper (157).” [al-Aʿrāf: 157]
And He said:
“There has come to you from Allah a light and a clear Book (15), through which Allah guides those who seek His pleasure to the ways of peace.” [al-Mā’idah: 15–16]
The jinn said:
“We have heard a wondrous Quran (1), which guides to righteousness, so we have believed in it.” [al-Jinn: 1–2]
Allah Most High related these words of theirs to affirm their truth and praise them for saying them. The same applies to their words:
“O our people, we have heard a Book sent down after Moses, confirming what came before it, guiding to the truth and to a straight path.” [al-Ahqāf: 30]
There are many similar passages.
Allah Most High has made clear what must be avoided in speaking and forming suppositions about Him. He said:
“Say: My Lord has only forbidden shameful deeds, whether open or hidden, sin, unjust aggression, associating with Allah that for which He has sent down no authority, and saying about Allah what you do not know (33).” [al-Aʿrāf: 33]
And He said concerning Satan:
“He only commands you to commit evil and shameful deeds, and to say about Allah what you do not know (169).” [al-Baqarah: 169]
Allah Most High said:
“Do not go to extremes in your religion, and say nothing about Allah except the truth.” [al-Nisā’: 171]