YOU SAID:
I think, therefore I am...
INTO JAPANESE
思う、だから私は…
BACK INTO ENGLISH
I think, so I...
INTO JAPANESE
そう思うので、私は...
BACK INTO ENGLISH
I think so, so I...
INTO JAPANESE
そう思うから、私は…
BACK INTO ENGLISH
I think so, so I...
You've done this before, haven't you.