'Worthless' in the Bible

Even so, every healthy tree bears good fruit, but the unhealthy tree bears bad fruit.

A good tree cannot bear bad fruit, nor can a bad tree bear good fruit.

and when it was full, they dragged it up on the beach; and they sat down and sorted out the good fish into baskets, but the worthless ones they threw away.

For there is no good tree which produces bad fruit, nor, on the other hand, a bad tree which produces good fruit.

Then the Pharisees told Him, “You are testifying on Your own behalf; Your testimony is not valid.”

Jesus answered, “If I glorify Myself, My glory is [worth] nothing. It is My Father who glorifies Me, of whom you say, ‘He is our God.’

“All have turned aside, together they have become useless;There is none who does good, no, not one.”

Now, however, since you have come to know [the true] God [through personal experience], or rather to be known by God, how is it that you are turning back again to the weak and worthless elemental principles [of religions and philosophies], to which you want to be enslaved all over again?

Do not let unwholesome [foul, profane, worthless, vulgar] words ever come out of your mouth, but only such speech as is good for building up others, according to the need and the occasion, so that it will be a blessing to those who hear [you speak].

They profess to know God [to recognize and be acquainted with Him], but by their actions they deny and disown Him. They are detestable and disobedient and worthless for good work of any kind.

but if it persistently produces thorns and thistles, it is worthless and close to being cursed, and it ends up being burned.

If anyone thinks himself to be religious [scrupulously observant of the rituals of his faith], and does not control his tongue but deludes his own heart, this person’s religion is worthless (futile, barren).

But are you willing to recognize, you foolish [spiritually shallow] person, that faith without [good] works is useless?