Only one can be emperor.
More German Proverbs:
A drink is shorter than a tale.German
A small gift is better than a great promise.
German
He who lends to the poor gets his interest from God.
German
Don't cry hurra! till your are over the hedge (till you are out of the wood).
German
One log does not burn long by itself.
German
Saint Swithun's day, if thou be fair, for forty days it will remain; Saint Swithun's day, if thou bring rain, for forty days it will remain.
German