A laugh, if purchased at the expense of propriety, costs too much.
Quintilian
The idea of just improvising and riffing can sometimes be at the expense of story.
Jim Rash
There is no happiness for people at the expense of other people.
Anwar Sadat
No expense has been incurred but what has been approved of and provided for by Parliament.
Robert Walpole
I am going to put money into education at the expense of other programs.
Dalton McGuinty