Matthew 3:10
But already the ax is laid to the root of the trees; therefore every tree not producing good fruit is hewn down and cast into the fire.
Matthew 7:15-20
But beware of false prophets, who come to you in sheep's clothing, but inwardly they are rapacious wolves.
Matthew 21:19
And seeing one fig-tree near the road, He went to it, and found nothing on it, except leaves only. And He says to it, Let no fruit ever be from thee; and immediately the fig-tree withered away.
Luke 13:7-9
and he said to the vinedresser, Behold, three years from which I come seeking fruit on this fig-tree, and I find none: cut it down; why indeed does it cumber the ground?
John 15:2-8
Every branch in me not producing fruit, He takes it away: and every one producing fruit, He purifies it, that it may produce more fruit.