The Cow - 2:68
"They said, "Call your Lord for us, so that He may explain to us its nature."He says, "He is neither old nor young, a heifer in the middle of the two. Do what you are commanded,"he said."
2: The lesson to be learned from 67, , 73:
The Table Spread/5:101
Believers, do not ask questions about what you do not like when it is explained to you. If you ask in the light of the Qur´an, they will become clear to you. Allah has not specifically mentioned them. Allah is Forgiving, Mild.