Matthew 3:10

Already the axe is lying at the root of the trees. Therefore every tree that fails to bear good fruit will be cut down and thrown into the fire.

Matthew 7:15-20

Beware of false Teachers--men who come to you in the guise of sheep, but at heart they are ravenous wolves.

Matthew 21:19

And, noticing a solitary fig tree by the road-side, he went up to it, but found nothing on it but leaves. So he said to it: "Never again shall fruit be gathered off you." And suddenly the fruit tree withered up.

Luke 13:7-9

So he said to his gardener 'Three years now I have come to look for fruit on this fig tree, without finding any! Cut it down. Why should it rob the soil?'

John 15:2-8

Any unfruitful branch in me he takes away, and he cleanses every fruitful branch, that it may bear more fruit.

Treasury of Scripture Knowledge

Summary

When thou shalt besiege a city a long time, in making war against it to take it, thou shalt not destroy the trees thereof by forcing an axe against them: for thou mayest eat of them, and thou shalt not cut them down (for the tree of the field is man's life) to employ them in the siege:

Bible References

Thou shalt not

Matthew 3:10
Already the axe is lying at the root of the trees. Therefore every tree that fails to bear good fruit will be cut down and thrown into the fire.
Matthew 7:15
Beware of false Teachers--men who come to you in the guise of sheep, but at heart they are ravenous wolves.
Matthew 21:19
And, noticing a solitary fig tree by the road-side, he went up to it, but found nothing on it but leaves. So he said to it: "Never again shall fruit be gathered off you." And suddenly the fruit tree withered up.
Luke 13:7
So he said to his gardener 'Three years now I have come to look for fruit on this fig tree, without finding any! Cut it down. Why should it rob the soil?'
John 15:2
Any unfruitful branch in me he takes away, and he cleanses every fruitful branch, that it may bear more fruit.