Matthew 3:10
and already the axe lies at the root of the trees; every tree, therefore, which bears not good fruit is cut down and cast into the fire.
Matthew 7:15-20
But beware of false prophets, who come to you in sheep's clothing, but within they are rapacious wolves.
Matthew 21:19
and seeing a fig tree by the way he went to it, and found nothing on it, except leaves only, and he said to it, Let there be no fruit on you forever. And the fig tree immediately withered,
Luke 13:7-9
And he said to his vine dresser, Behold, I have come three years seeking fruit on this fig tree and find none; cut it down; why should it make the ground unproductive?
John 15:2-8
Every branch in me that bears not fruit he takes away; and every branch that bears fruit he trims, that it may bear more fruit.