There is a particular issue about which I am incapable of expressing my opinion. I do have an opinion about it, and I have developed it quite a bit in my own head over the years. However, if I try to voice it, something in me tells me not to.
There is another issue about which I am capable of expressing my opinion, but I choose not to. It is a highly controversial topic, and it is very likely that if I expressed my opinion about it, it would be interpreted as being another opinion, which I do not hold.
I do not know whether to call that Wittgenstein’s curse or not.