Authors:

The world's best swordsman doesn't fear the second best; he fears the worst swordsman, because he can't predict what the idiot will do.

David Weber (2013). “The Honor of the Queen, Second Edition”, p.332, Baen Publishing Enterprises
The world's best swordsman doesn't fear the second best; he fears the worst swordsman, because he can't predict what the idiot will do.