"I still don't believe that, at this point -- one-to-one -- that Grievous could really take out someone like Ventress in a lightsaber fight. I mean, it's just me, but he doesn't have the Force. He can't wield it. I don't see how he can hope to be as proficient as a Jedi or a Sith could be fighting with a lightsaber, which is why he's always willing to dirty play at the end of the day."
"Yeah, it's in the movie. Mace Windu says, "General Grievous will run and hide, as he always does." He's an interesting character for all that thought. And obviously, you know, he's adept at using lightsabers, but I always thought his thing was fear. If you are afraid of the many swirling blades, then you'll parish staring at them. But if you can just focus through it, you can defeat that opponent. "
—David Filoni