Sentence:  If they <WSD>discern</WSD> any evidences of wrong-going in any direction that I have indicated, they will acknowledge that I had reason in what I wrote. If they <WSD>discern</WSD> no such thing, they will consider me altogether mistaken. 
Meaning of the word marked with <WSD> tags:  To perceive, recognize, or comprehend with the mind; to descry.