ロケット事業に参入する際に、ロケットについて何も知らず、何も作ったことがないのに、私が成功の見込みがあると思っていたら、それは狂気の沙汰です。

The odds of me coming into the rocket business, not knowing anything about rockets, not having ever built anything, I mean, I would have to be insane if I thought the odds were in my favor.