Not snow, no, nor rain, nor heat, nor night keeps them from accomplishing their appointed courses with all speed. — Herodotus. Greek historian and geographer (c. 484–c. 425 BC)
In peace, children inter their parents; war violates the order of nature and causes parents to inter their children.
If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it.
Very few things happen at the right time and the rest do not happen at all. The conscientious historian will correct these defects.