Surah 29. Al-Ankabut, Ayah 8

Cf. {31:14-15} and, particularly, the corresponding note [15].

Lit., "something of which thou hast no knowledge": i.e., in this particular case, "something which conflicts with thy knowledge that none and nothing can have any share in God's qualities or powers". According to Razi, this phrase may also allude to concepts not evolved through personal knowledge but, rather, acquired through a blind, uncritical acceptance of other people's views (taqlid).

 Other gods.

That is, no certainty. In matters of faith and worship, even parents have no right to force their children. They cannot and must not hold up before them any worship but that of the One True God.

Children and parents must all remember that they have all to go before Allah's tribunal, and answer, each for his own deeds. In cases where one set of people have lawful authority over another set of people (as in the case of parents and children), and the two differ in important matters like that of Faith, the latter are justified in rejecting authority: the apparent conflict will be solved when the whole truth is revealed to all eyes in the final Judgment.