I believe him
Je le crois, mais ça se mélange un peu.
I believe so, but it's a bit confusing.
Je le crois aussi, répondit Phileas Fogg.
“I think so too,” replied Phileas Fogg.
And I believe it.
Je le crois et je le croirai, jusqu'à voir une preuve irréfutable du contraire.
I believe it, and I will continue to do so until I see irrefutable proof to the contrary.
— Oppenheimer (2023)
I certainly believe it!
Yes, I believe so.