Much of economics isn't difficult, or rather, the difficulty is in cooking up arguments to "prove" that commonsense conclusions are wrong. The fact is that many commonsense conclusions are quite correct, and it takes a lot of education to get you to believe different.

A smart soldier wants to know the causes of wars. Also how to end them. After all, war is the normal state of affairs, isn't it? Peace is the name of the ideal we deduce from the fact that there have been interludes between wars.

That which does not kill me, has made a grave tactical error.

I am sure it has been done with less, but you should be prepared to write and throw away a million words of finished material. By finished, I mean completed, done, ready to submit, and written as well as you know how at the time you wrote it. You may be ashamed of it later, but that's another story.

As a means of subsidizing lawyers the present nuclear regulation system is well designed - but is there not perhaps a cheaper way of rewarding legal diligence? It would probably be cheaper to give each law school graduate a guaranteed salary of $50,000 a year on the condition that he (or she) not practice law.

Of course most people underestimate the warrior characteristics of the Anglo-Saxon and Norman peoples anyway. It takes a heap of piety to keep a Viking from wanting to go sack a city.

The Aztecs believe they started up in what's now New Mexico, and wandered for 10,000 years before they got down into where they are now, in Mexico City. That's a weird legend.