John 9:33
Unless this man came from God, he would not be able to do anything [like this]."
John 3:2
This man went to Jesus one night and said to Him, "Rabbi, we [i.e., speaking of himself and other Jewish leaders] know that you are a Teacher sent from God, for no one could perform these [miraculous] signs that you are doing unless God were with Him."
John 9:16
Some of the Pharisees then said, "The man who did this is not from God, because he does not observe the Sabbath day. But other people said, "How could a man who is a sinner do such [miraculous] signs?" And the people were divided among themselves [over the issue].
Acts 5:38-39
And so now I say, hold off your accusations and let these men alone, for if their planning and effort is [merely] of human origin, it will be defeated,