The greatest enemy will hide in the last place you would ever look.
Julius Caesar 75 B.C.
The only way to get smarter is by playing a smarter opponent.
Fundamentals of Chess, 1883
First rule of business, protect your investment.
Etiquette of the banker, 1775
There is no avoiding war, it can only be postponed to the advantage of your enemy.
Nicollo Machiavelli, 1502