John 9:15
“He put clay upon my eyes, and I washed, and do see.”
Because the slander was now become great, and the Jews had said, “Behold what work Jesus does on the Sabbath day, he anoints with clay!” But observe, I pray you, how the blind man is not disturbed. When being questioned he spoke in the presence of those others without danger, it was no such great thing to tell the truth, but the wonder is, that now when he is placed in a situation of greater fear, he neither denies nor contradicts what he had said before. What then did the Pharisees, or rather what did the others also? They had brought him (to the Pharisees), as being about to deny; but, on the contrary, that befell them which they desired not, and they learned more exactly. And this they everywhere have to endure, in the case of miracles; but this point we will more clearly demonstrate in what follows. What said the Pharisees?
Source: Homilies on the Gospel of John (New Advent)