Either make the tree good and its fruit good, or make the tree bad, and its fruit bad; for a tree is known by its fruit.

So every good tree bears good fruits, but a bad tree bears bad fruits;

a good tree cannot bear bad fruits, nor a bad tree good fruits.

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,

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.