Authors:

It is better to decide a difference between enemies than friends, for one of our friends will certainly become an enemy and one of our enemies a friend.

"Hoyt's New Cyclopedia Of Practical Quotations V2: Drawn From The Speech And Literature Of All Nations, Ancient And Modern (1922)". Book by Kate Louise Roberts, 2010.
It is better to decide a difference between enemies than friends, for one of our friends will certainly become an enemy and one of our enemies a friend.