Prophet Hud - 11:46
"He said: "O Noah, he cannot be of your family. It is not virtuous for you to ask me for what you do not know. I advise you not to be among the ignorant."
For that about which you have no knowledge:
The Night Journey/17:36
Do not believe in what you do not know and follow after it, for the hearing, the sight and the brain are all responsible for it
The Forgiver/40:42
You call me to be ungrateful to Allah and to associate with Him that of which I have no knowledge. I call you to Him Who is the Exalted and the Forgiving.
The Heights/7:28
"When they commit any evil deed, they say: "This is what we found our forefathers doing, so Allah has commanded us". Say: "Allah does not command anything evil. How is it that you say about Allah what you do not know?"
Prophet Hud/11:46
"He said: "O Noah, he cannot be of your family. It is not virtuous for you to ask me for what you do not know. I advise you not to be among the ignorant."
Prophet Hud/11:47
"He said: "My Lord, I seek refuge in You for supplicating to You about a matter of which I have no knowledge. If You do not forgive me and have mercy on me, I shall be of the losers."
The Spider/29:8
We have admonished man to be kind to his parents. But if they contend with you that you should associate with Me something of which you have no knowledge, do not follow either of them. To Me is the return of all of you, and I will inform you of what you used to do.
Luqman/31:15
And if they contend with you that you should associate with Me something of which you have no knowledge, do not follow either of them. But you should treat them well in this world. Follow the way of those who turn to me. To Me is your return in the end, and I will inform you of all that you do.
The Forgiver/40:41
O my people, why do you call me to the Fire while I call you to salvation?