>>"In my many years I have come to a conclusion that one useless man is a shame, two is a law firm and three or more is a congress." - John Adams
>>
>>I like this.
>>
>>Question. If Pro is good, and Con is bad. Then Progress is good, but what is Congress?
>
>Nope.
>
>Pro = in favor of, contra = against.
>
>Another similar analogy could be: if amateur is who loves to do it and does it for free, then pro is the one who doesn't but gets paid.
>
>What's the opposite from the following sentence: "today is a bright sunny day"?

Tonight is a dark starry night.