Friendship and money: oil and water. Posted on June 28, 2014June 28, 2009 by admin “Friendship and money: oil and water.” — Mario Puzo Author: Mario Puzo Category: friendship Tags: friendship, Mario Puzo Spread the love Related posts: A friendship can weather most things and Friendship is unnecessary, like philosophy, like art… Each friend represents a world in us, A friendship founded on business is better