"Our errors are not so much new and unheard of as they are old ones, dressed up in new clothes."

"A great many people think they are thinking when they are merely rearranging their prejudices."

"The world is not a place where we are to be made happy, but where we are to be made useful."

"The world is still in the making, and awaits our co-operation."

"The education of the will is the object of our whole training."