民主是最差的一种政治制度，除了所有那些其他被实验过的政治制度之外。
Democracy is the worst form of government except all those other forms that have been tried from time to time.
The best companies are those that solve real problems for real people.
"The only true wisdom is in knowing you know nothing."
The only real mistake is the one from which we learn nothing.
You can't let your failures define you. You have to let your failures teach you.