In order to institute action, it is not sufficient that the individual man have unachieved ends that he would like to fulfill. He must also expect that certain modes of behavior will enable him to attain his ends. A man may have a desire for sunshine, but if he realizes that he can do nothing to achieve it, he does not act on this desire.

Play, as a consumers' good, is subject to the law of marginal utility, as are all goods, and the time spent in play will be balanced against the utility to be derived from other obtainable goods.

All action is an attempt to exchange a less satisfactory state of affairs for a more satisfactory one.

Murray Rothbard Quotes