On your place I would address for the help to a moderator. or
It is very a pity to me, I can help nothing to you. I think, you will find the correct decision. or
In my opinion you have misled. or
Rather valuable idea or
I think, that you are not right. I am assured. I suggest it to discuss. or
I congratulate, this excellent idea is necessary just by the way or
It seems excellent idea to me is or
In my opinion you commit an error. I suggest it to discuss. Write to me in PM, we will communicate. or
Matchless phrase ;) or
In it something is. Thanks for the help in this question. All ingenious is simple. or