Maintaining the Status Quo: A Human Tragedy
[2:170] When they are told, "Follow what GOD has revealed herein," they say, "We follow only what we found our parents doing." What if their parents did not understand, and were not guided?
You Shall Not Bear False Witness
[4:135] O you who believe, you shall be absolutely equitable, and observe GOD, when you serve as witnesses, even against yourselves, or your parents, or your relatives. Whether the accused is rich or poor, GOD takes care of both. Therefore, do not be biased by your personal wishes. If you deviate or disregard (this commandment), then GOD is fully Cognizant of everything you do.
Do Not Follow Your Parents' Religion Blindly
[5:104] When they are told, "Come to what GOD has revealed, and to the messenger," they say, "What we found our parents doing is sufficient for us." What if their parents knew nothing, and were not guided?
Examine All Inherited Information
[7:28] They commit a gross sin, then say, "We found our parents doing this, and GOD has commanded us to do it." Say, "GOD never advocates sin. Are you saying about GOD what you do not know?"
Following the Parents Blindly: A Human Tragedy
[7:70] They said, "Did you come to make us worship GOD alone, and abandon what our parents used to worship? We challenge you to bring the doom you threaten us with, if you are truthful."
and many more verses, ask me if you're interested.