Rich I Know Intimately, Poor Only Slightly

"Acquaintance: a degree of friendship called slight when its object is poor or obscure, and intimate when he is rich or famous" -- Ambrose Bierce

Friendship, Like Money, Is Easier Made Than Kept

"Friendship is like money, easier made than kept" -- Samuel Butler

Friendship Endures All But Request to Lend Money

"The holy passion of friendship is so sweet and steady and loyal and enduring in nature that it will last through a whole lifetime, if not asked to lend money." -- Mark Twain

Business May Bring Money, Friendship Won't

"Business, you know, may bring money, but friendship hardly ever does." -- Jane Austen