It is easy to be wise after the event.
More Traditional Proverbs:
Physicians' faults are covered with earth, and rich men's with money.Traditional
A bad past is no excuse for a bad present.
Traditional
Six feet of earth make all men equal.
Traditional
He who shares my bread and salt is not my enemy.
Traditional
It is lonely at the top.
Traditional
Three feet of ice does not result from one day of cold weather.
Traditional