Nothing fails like success because we don't learn from it. We learn only from failure.

If we saw tomorrow's newspaper today, tomorrow would never happen.

The discounting presumably is to be done for each period of time at that rate of interest which represents the alternative cost of employing capital in the occupation in question; that is, at the rate which the entrepreneur could obtain in other investments

We are born to love, as we are born to breathe and eat and drink.

The controversy as to whether socialism is possible has been settled by the fact that it exists, and it is a fundamental axiom of my philosophy, at any rate, that anything that exists, is possible.

Any attempt to reduce the complex properties of biological organisms or of nervous systems or of human brains to simple physical and chemical systems is foolish.

We make our tools, and then they shape us.