It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.
I suppose we all loved those kind of sci-fi movies where terrible things came out of swamps and came to Mars. And there's usually some poor girl. All the guys are trying to desperately handle levers and saying, go to something or other.
Guessing what the pitcher is going to throw is 80% of being a successful hitter. The other 20% is just execution.