4 Bible Verses about Useless Words And Thinking

And I say to you, that for every idle word that men shall speak, they will give account in the day of judgment.

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.

and again: "The Lord knoweth the thoughts of the wise, that they are vain."

Because though they knew God, they did not glorify him as God, nor were they thankful to him; but became perverse in their reasonings, and their senseless minds were darkened;