5 Bible Verses about Useless Things

Of these things put them in remembrance, charging them before the Lord not to carry on a strife of words, to no useful purpose, but rather to the subverting of the hearers.

but avoid foolish questionings, and genealogies, and strifes, and contentions about the Law; for they are unprofitable and vain.

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

All things are lawful, but all things are not profitable; all things are lawful, but all things are not edifying.

but now, after having known God, or rather having been known by God, how is it that ye are turning back to the weak and beggarly rudiments to which ye wish to be again in bondage?