Matthew 12:31-33

Complete Jewish Bible

³¹ Because of this, I tell you that people will be forgiven any sin and blasphemy, but blaspheming the Ruach HaKodesh will not be forgiven. ³² One can say something against the Son of Man and be forgiven; but whoever keeps on speaking against the Ruach HaKodesh will never be forgiven, neither in the ‘olam hazeh nor in the ‘olam haba.

³³ “If you make a tree good, its fruit will be good; and if you make a tree bad, its fruit will be bad; for a tree is known by its fruit.