that you don't know
Parfois, c'est mieux que tu ne saches pas.
Sometimes it's better that you don't know.
Comment est-il possible que tu ne saches pas ?
How is it possible that you don't know?
Mais je crains que tu ne saches pas tout.
But I’m afraid you don’t know everything.
— The Count of Monte Cristo (2024)
Mieux vaut que tu ne saches pas.
It's better if you don't know.
— Le monde perdu : Jurassic Park (1997)
C'est mieux que tu ne saches pas.
It's better that you don't know.