Albert Barnes on John 8:22

Will he kill himself? It is difficult to know whether this question was asked from ignorance or malice. Self-murder was esteemed then, as it is now, as one of the greatest crimes; and it is not improbable that they asked this question with mingled hatred and contempt. "He is a deceiver; he has broken the law of Moses; he is mad, and it is probable he will go on and kill himself." If this was their meaning, we see the wonderful patience of Jesus in enduring the contradiction of sinners; and as he bore contempt without rendering railing for railing, so should we.