Geniuses are common enough nowadays; there are plenty more where he came from.
It's the drink, ye see, as does for a terrible lot o' geniuses.
However, you two young ones are the geniuses of the family, and we'll look to you.
Of course, if we have ideas that other people never think of, it means we are geniuses!
Geniuses are always different from other people, aren't they?