John 9:33
If this man were not from God, he could not do any thing.
John 3:2
this man came to Jesus in the night, and said to him, Rabbi, we know that thou art a teacher come from God: for no man can do these miracles which thou dost, unless God be with him.
John 9:16
Then said certain of the Pharisees, This man is not from God, because he observeth not the sabbath. Others said, How is it possible for a wicked man to do such miracles? And there was a division among them.
Acts 5:38-39
And as to the matters now before you, I say unto you, Abstain from these men, and leave them to themselves: for if this design or this work be of men, it will come to nothing: