5 Bible Verses about Useless Things

Of these things put them in remembrance, solemnly charging them before God, that they engage not in word-battles to no profit, to the subverting of those who hear.

But shun foolish questionings, and genealogies, and strife, and contentions about the law; for they are unprofitable and vain.

All things are lawful for me; but all are not profitable. All things are lawful for me; but I will not be brought under the control of any.

All things are lawful, but not all things are profitable; all things are lawful, but not all things build up.

but, after having known God, or rather having been known by God, how are ye turning back again to the weak and beggarly elements, to which ye desire to be in bondage again?