One of the great challenges in this world is knowing enough about a subject to think you're right, but not enough about the subject to know you're wrong.
-Neil DeGrasse Tyson
From: Official Trailer for Neil DeGrasse Tyson's Master Class
He knows a lot about Physics and its many languages, because he spent many years studying it full-time and passed a qualification test of his peers in the subject matter.
The opposite is true about his knowledge of the Bible. How ironic.