YOU SAID:
Believe you can and you're halfway there!
INTO JAPANESE
できると信じて中途半端だ!
BACK INTO ENGLISH
Believe it or not, we're halfway there!
INTO JAPANESE
信じようが信じまいが、もう中途半端だ!
BACK INTO ENGLISH
Believe it or not, we're halfway there!
That didn't even make that much sense in English.