It should be as unthinkable as rape and murder.
Now that's as unthinkable as not having a shower.
Making dramatic changes at century-old public institutions can seem as unthinkable as sculpturing the Adirondacks.
A world without it is as unthinkable as a world without arthouse cinema or alternative music.
"In the professional sumo world," Gadd said, "women in sumo is as unthinkable as a rabbi sponsoring a pork farm".
The best medicine now for you is rest, love and (as unthinkable as it may sound) laughter.
Just a week before, Tom Ricketts, the Cubs' chairman, broached the idea of moving the team, as unthinkable as that would seem.
For some local weeklies, though, the thought of charging for online content seems just as unthinkable as charging for hard copies of the paper.
Not to rebuild the minaret would be as unthinkable as to not to have rebuilt St Mark's campanile in Venice after its collapse in 1902.
The idea seemed as unthinkable as dismissing a lord chief justice over an opinion - at least until the creation of the London mayor in 1999.
Labour has held on to governing power in Wales, where to lose would once have been as unthinkable as in Scotland.
