"You must either make the tree healthy and its fruits healthy or make the tree sickly and its fruits sickly, for a tree is judged by its fruit.

So any healthy tree bears good fruit and a sickly tree bears poor fruit.

A healthy tree cannot bear poor fruit, and a sickly tree cannot bear good fruit.

As He saw a fig tree by the roadside, He came to it but found on it nothing but leaves, and said to it, "Never again shall a fig grow on you!" And the fig tree at once withered up.

Now the axe is already lying at the roots of the trees. Every tree then that fails to bear good fruit is to be cut down and thrown into the fire.