Never refuse any advance of friendship, for if nine out of ten bring you nothing, one alone may repay you. Claudine Guerin de Tencin More Quotes by Claudine Guerin de Tencin More Quotes From Claudine Guerin de Tencin One great mistake made by intelligent people is to refuse to believe that the world is as stupid as it is. Claudine Guerin de Tencin stupid mistake believe