John 9:33

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

John 3:2

the same came to Jesus by night and said unto him, Rabbi, we know that thou art a teacher come from God, for no one can do these signs that thou doest unless God is with him.

John 9:16

Therefore some of the Pharisees said, This man is not of God because he does not keep the sabbath day. Others said, How can a man that is a sinner do such signs? And there was a division among them.

Acts 5:38-39

And now I say unto you, Refrain from these men and let them alone; for if this counsellor or this work is of men, it will come to nought,

Treasury of Scripture Knowledge

Summary

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

Bible References

Were

John 9:16
Therefore some of the Pharisees said, This man is not of God because he does not keep the sabbath day. Others said, How can a man that is a sinner do such signs? And there was a division among them.
John 3:2
the same came to Jesus by night and said unto him, Rabbi, we know that thou art a teacher come from God, for no one can do these signs that thou doest unless God is with him.
Acts 5:38
And now I say unto you, Refrain from these men and let them alone; for if this counsellor or this work is of men, it will come to nought,