"Better an open enemy than a false friend"
"False friends are worse than bitter enemies"
"An enemy is known but a false friend is hidden"
"The worst enemy is the one who pretends to be your friend"
"A fake friend is like a shadow there in the sun gone in the dark"
"Enemies stab you in the back but fake friends stab you in the heart"
"False friends are like autumn leaves found everywhere but useless"
"Your enemies never pretend to love you but your fake friends do"
"I'd rather be hurt by an enemy than betrayed by a friend"
"With enemies you know where you stand but with fake friends you fall"