A true sign of intellect is not being condescending in the face of disagreement for arguments sake, which Neil Degrasse typically demonstrates.
I have however heard him make some very ignorant and or condescending statements, my favorite example would be:
"The Authority of my Academic Pedigree".

This however is a horrid clip to demonstrate brilliance on his part, as it is hardly beyond elementary discussion IMO.
This post was edited by FullArcFG on Dec 8 2013 01:31pm