We've all been encouraged to "to do the best you can." If you want to excel, this book suggests that may be too little. After all, anybody can do what they can do. To make the most positive impact on your own life, and maybe the whole world, you must "do the best you can't." You remember the names of the people who didn't listen when they were told you can't sail west to get east; you can't fly an object heavier than air; you can't sit in...