“Treat your friend as if he might become an enemy.”
Maxim 401
Sentences, The Moral Sayings of Publius Syrus, a Roman Slave
Attributed
“Treat your friend as if he might become an enemy.”
Maxim 401
Sentences, The Moral Sayings of Publius Syrus, a Roman Slave
“Your Worst Enemy Could Be Your Best Friend && Your Best Friend Your Worst Enemy”
Source: The Goblin Quest Series, Goblin Hero (2007), Chapter 7 (p. 117)
“When in doubt tell the truth. It will confound your enemies and astound your friends.”
“Count me not your friend but the enemy of your enemies.”
Source: Lyonesse Trilogy (1983-1989), The Green Pearl (1985), Chapter 8, section 3 (p. 480)
“You've got to take it on faith that the enemy of your enemy is your friend.”
Source: Last Sacrifice
“To know your Enemy, you must become your Enemy.”
This is sometimes attributed to Sun Tzu in combination with the above quote, as well as alone, but it too has not been sourced to any published translation of The Art of War, though it is similar in concept to his famous statement in Ch. 3 : "It is said that if you know your enemies and know yourself, you will not be imperiled in a hundred battles..."
Misattributed