... success isn't necessarily come by being smart. I know a lot of smart people who are not successful. But I know a lot of people, who are very, very passionate. And persistent. A lot of success in life is that passion and persistence, of really staying the course, staying working on it, and, not letting go. Not giving up. That's really, I think the most important, quality that I see in students, that I work with, who are successful."
(Dr. Terrance SejnowskiがCoursera - Learning How to Learnで)
Impossible is just a big word thrown around by small men who find it easier to live in the world they've been given than to explore the power they have to change it. Impossible is not a fact. It's an opinion. Impossible is not a declaration. It's a dare.