5 Bible Verses about Useless Things

Call to mind these things, charging [men] before the Lord not to debate about words, to no profit, to the subversion of the hearers.

But foolish questions, and genealogies, and strifes and contentions about the law, avoid; for they are unprofitable and vain.

All things are lawful for me, but all things are not expedient; all things are lawful, but I will not be brought under the power of any.

All things are lawful, but all things are not expedient; all things are lawful, but all things do not edify.

but now knowing God, or rather being known by God, how do you turn again to the weak and imperfect rudiments, which you wish again to serve?