Nor do I think anything one way or the other about my safety.

I only fear that I shall not be able to carry out properly the mission intrusted to me." "You will do your best, lad, and that is all that can be expected.
You have not solicited the post, and as it is none of your choosing, your failure would be the fault of those who have sent you, and not of yourself; but in a matter of this kind there is no such thing as complete failure.

When you have to deal with one man you may succeed or you may fail in endeavouring to induce him to act in a certain manner, but when you have to deal with a considerable number of men, some will be willing to accept your proposals, some will not, and the question of success will probably depend upon outside influences and circumstances over which you have no control whatever.

I have no fear that it will be a failure.
If our party in Poland triumph, or if our army here advances, or if Augustus, finding his position hopeless, leaves the country, the good people of Warsaw will join their voices to those of the majority.

If matters go the other way, you may be sure that they will not risk imprisonment, confiscation, and perhaps death, by getting up a revolt on their own account.