Meanings of calm retrospect in English

To some it is brought yet closer by his calm retrospect through sorrow.

Let the negroes in the war-time be judged in the calm retrospect of history.

Lincoln, it is evident, felt this apparent failure of patriotism sadly, but in calm retrospect it cannot seem surprising.

There were parts of their long public life which they would themselves, I am persuaded, on a calm retrospect, have allowed to be justly censurable.

Calm retrospect shows that the Confederacy's commissioners were, from first to last, only played with by the skilled sophists of Europe.