Eternal vigilance is the price of an open mind. - Henry Hazlitt

Today is already the tomorrow which the bad economist yesterday urged us to ignore.

It has been frequently said that many of the world’s greatest inventions were due to accident. In a sense this is true. But the accident was prepared for by previous hard thinking. It would never have occurred had not this thinking taken place.

There is actually no limit to the amount of work to be done. Work creates work. What A produces constitutes the demand for what B produces.