Bravo, fantasy)))) or
In my opinion you commit an error. I can defend the position. Write to me in PM, we will talk. or
It is interesting. Tell to me, please - where to me to learn more about it? or
You are absolutely right. In it something is also I think, what is it excellent idea. or
So will not go. or
I think, that you are not right. I am assured. I suggest it to discuss. or
I apologise, but, in my opinion, you are not right. or
Personal messages at all today send? or
It at all does not approach me. or
I perhaps shall keep silent or