In the long course of history, having people who understand your thought is much greater security than another submarine.
I think we Americans tend to put too high a price on unanimity, as if there were something dangerous and illegitimate about honest differences of opinion honestly expressed by honest men.
In our excessive involvement in the affairs of other countries, we are not only living off our assets and denying our own people the proper enjoyment of their resources; we are also denying the world the example of a free society enjoying its freedom to the fullest.
When we violate the law ourselves, whatever short-term advantage may be gained, we are obviously encouraging others to violate the law; we thus encourage disorder and instability and thereby do incalculable damage to our own long-term interests.
There has been a tendency through the years for reason and moderation to prevail as long as things are going tolerably well or as long as our problems seem clear and finite and manageable.
The biggest lesson I learned from Vietnam is not to trust our own government statements. I had no idea until then that you could not rely on them.