"All lasting business is built on friendship"

"The rule of friendship means there should be mutual sympathy between them, each supplying what the other lacks and trying to benefit the other, always using friendly and sincere words"

"Love is the attempt to form a friendship inspired by beauty"

"What sweetness is left in life, if you take away friendship? Robbing life of friendship is like robbing the world of the sun. A true friend is more to be esteemed than kinsfolk"

"Love is blind; friendship closes its eyes"

"A woman may very well form a friendship with a man, but for this to endure, it must be assisted by a little physical antipathy"

"It is not a lack of love, but a lack of friendship that makes unhappy marriages"

"Peace, commerce and honest friendship with all nations; entangling alliances with none"

"Friendship is but another name for an alliance with the follies and the misfortunes of others. Our own share of miseries is sufficient: why enter then as volunteers into those of another?"