Gratitude is like credit; it is the backbone of our relations; frequently we pay our debts not because equity demands that we should, but to facilitate future loans.
Francois de La RochefoucauldWhat makes us so often discontented with those who transact business for us is that they almost always abandon the interest of their friends for the interest of the business, because they wish to have the honor of succeeding in that which they have undertaken.
Francois de La Rochefoucauld