Money is worth what it will help you to produce or buy and no more.
People are as happy as they choose to be.
My grandfather killed my father in my mind. I know he died of cancer-but it was because of what my grandfather did to him.
Anybody can do anything that he imagines.
For most purposes, a man with a machine is better than a man without a machine.
Wealth, like happiness, is never attained when sought after directly. It comes as a by-product of providing a useful service.