John 9:33

If this man were not from God, he could do nothing."

John 3:2

This man came to Jesus by night and said to him, "Rabbi, we know that you are a teacher come from God; for no one can do these signs that you do unless God is with him."

John 9:16

Some of the Pharisees said, "This man is not from God, for he does not keep the Sabbath." But others said, "How can a man who is a sinner do such signs?" And there was a division among them.

Acts 5:38-39

So in the present case I tell you, keep away from these men and let them alone, for if this plan or action is of men, it will fail;

Treasury of Scripture Knowledge

Summary

If this man were not of God, he could do nothing.

Bible References

Were

John 9:16
Some of the Pharisees said, "This man is not from God, for he does not keep the Sabbath." But others said, "How can a man who is a sinner do such signs?" And there was a division among them.
John 3:2
This man came to Jesus by night and said to him, "Rabbi, we know that you are a teacher come from God; for no one can do these signs that you do unless God is with him."
Acts 5:38
So in the present case I tell you, keep away from these men and let them alone, for if this plan or action is of men, it will fail;