But the world is always changing, and different, less hostile circumstances in the Middle East, if they were ever to arise, might well demand new responses.
I hope those approaches succeed, but we need to back scientists with different, less mainstream ideas in case they don't.
For professional and competitive athletes, this means that taking the field at the right time of day can give them an edge over players who are gearing up to perform at different, less conducive points in their circadian cycles.
"Passion" came out at a different, less developed time in the evolution of Christian-themed entertainment and had Mel Gibson's star power and an intense media spotlight working on its behalf.
Moore had "a strong sense of loyalty to childhood friends who, when with him at St. Paul's, moved in different, less 'in' circles than he did and who were not his intellectual peers," and this loyalty was "intense; in fact, fierce".
But what was most striking to me in the festival was not the normal, life-describing Ashton but a different, less normal one, interested in ballet above all.
They were achieved in different, less reduced circumstances to Gerrard, but that does not lessen their merit.
The aria continued to be prominent in opera after about 1770, but in many different, less stereotyped musical forms, ranging from simple strophic songs to long, elaborate scenes.
In a different, less dramatic way, Casey has also found herself transformed.
But it is true that Swaraj Paul is in a different, less outrageous position.
