It is not good that, while you are letting that immoral man continue to be in your congregation, you are boasting about being spiritually mature. ◄You know that a small amount of yeast affects all the bread dough [MET] into which it is put {a woman puts it}./Do you not know that a small amount of yeast affects all the bread dough [MET] into which it is put?► [RHQ] Similarly, one person who continues to sin will have a bad effect on all the congregation.