Everlasting peace will come ...

Everlasting peace will come to the world when the last man has slain the last but one.
Everlasting peace will come to the world when the last man has slain the last but one.

More phrases

If a man watches three football games in a row, he should be declared legally dead.
The truth is not for all men, but only for those who seek it.
A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them.
Each man has his own vocation; his talent is his call. There is one direction in which all space is open to him.
The superior man is modest in his speech but exceeds in his actions.

Quotes from the same author

Only a handful of Germans in the Reich had the slightest conception of the eternal and merciless struggle for the German language, German schools, and a German way of life. Only today, when the same deplorable misery is forced on many millions of Germans from the Reich, who under foreign rule dream of their common fatherland and strive, amid their longing, at least to preserve their holy right to their mother tongue, do wider circles understand what it means to be forced to fight for one's nationality.
The goal of female education must invariably be the future mother.
It would be more in keeping with the intention of the noblest man in this world if our two Christian churches, instead of annoying Negroes with missions which they neither desire nor understand, would kindly, but in all seriousness, teach our European humanity that where parents are not healthy it is a deed pleasing to God to take pity on a poor little healthy orphan child and give him father and mother, than themselves to give birth to a sick child who will only bring unhappiness and suffering on himself and the rest of the world.
...we must pray to the Almighty not to refuse His blessing to this change and not to abandon our people in the times to come.
In this world him who does not abandon himself the Almighty will not desert. Him who helps himself will the Almighty always also help; He will show him the way by which he can gain his rights, his freedom, and therefore his future.