John 9:33

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

John 3:2

This man came to him by night, and said to him, Rabbi, we know that thou hast come as a teacher from God; for no one can do these signs which thou doest, unless God be with him.

John 9:16

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