YOU SAID:

Whether you think you can or you can't, you're right.

INTO JAPANESE

あなたができると思うかできないか、あなたは正しいです。

BACK INTO ENGLISH

I do not think you can, you are right.

INTO JAPANESE

私はあなたができるとは思わない、あなたは正しい。

BACK INTO ENGLISH

I do not think you can, you are right.