A CXO said sth like this and I quote

來源: 於 2010-10-14 11:04:07 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

"it is not whether we can or cannot do it, but rather whether we can think of doing it" quite a mouthful. But I think this more accurate for what you are looking for.