In thinking of these trademarks of the academic enterprise, I am reminded of a dictum from Rabbi Moses ben Maimon, the great medieval philosopher known as Maimonides.
As with many of Mr Trump's dictums, the legality of the president's latest orders is questionable, though they undoubtedly create uncertainty for the companies involved.
There is an admitted bumper-sticker quality to dictum like that, but compared with the familiar age-related wisdom-take it slow, watch your diet, stay cheerful-it's bracing.
Confucius's dictum advised that when the Emperor was evil, people should become recluses – people, like hermits, who live alone and avoid contact with others.
Despite all the pressures we are under to believe otherwise, we should place our faith in the wisdom of a well-worn dictum: trust what you knew then, not what you feel now.
Following Mr Faber's overthrow, it is not so clear that Friedman's famous dictum, that the sole purpose of a company is to increase shareholder value, is in fact dead.
Confucius's dictum advised that when the Emperor was evil, people should become recluses - people, like hermits, who live alone and avoid contact with others.