John 9:33

If this man had not been from God, he could not have done anything at all."

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 could give such signs as you are giving, unless God were with him."

John 9:16

"The man cannot be from God," said some of the Pharisees, "for he does not keep the Sabbath." "How is it possible," retorted others, "for a bad man to give signs like this?"

Acts 5:38-39

And, in this present case, my advice to you is not to interfere with these men, but to let them alone, for, if their designs and their work are merely of human origin, they will come to an end;

Treasury of Scripture Knowledge

Summary

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

Bible References

Were

John 9:16
"The man cannot be from God," said some of the Pharisees, "for he does not keep the Sabbath." "How is it possible," retorted others, "for a bad man to give signs like this?"
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 could give such signs as you are giving, unless God were with him."
Acts 5:38
And, in this present case, my advice to you is not to interfere with these men, but to let them alone, for, if their designs and their work are merely of human origin, they will come to an end;