perish the thought

US /ˈper.ɪʃ ðə θɔːt/
UK /ˈper.ɪʃ ðə θɔːt/
"perish the thought" picture
1.

Dieu m'en garde, à Dieu ne plaise

used to say that you hope that something bad will not happen or is not true

:
Me, a politician? Perish the thought!
Moi, un politicien ? Dieu m'en garde !
He suggested we might fail, but perish the thought!
Il a suggéré que nous pourrions échouer, mais Dieu m'en garde !