I think I would have liked this better in B&W. Or at least some desat on the bloodshot eyes so they don't look so world-weary. Something about the bloodshot eyes and his expression make him look more resigned than wise to me, though I suppose there are circumstances where one equates to the other.
A good shot of a wise old gentleman. The colors don't really pop out at you but I think I understand what you where rying to convey. Nice focus and detail and good crop.