He is truly a man who will not permit himself to be unduly elated when fortune's breeze is favorable, or cast down when it is adverse.
LivyThe study of history is the best medicine for a sick mind; for in history you have a record of the infinite variety of human experience plainly set out for all to see; and in that record you can find yourself and your country both examples and warnings; fine things to take as models, base things rotten through and through, to avoid.
Livy