To photograph is to appropriate the thing photographed.
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
一生的特权就是做你自己。
Leadership is not about being in charge. It's about taking care of those in your charge.
永远挑战现状——这就是进步的方式。
The future is not something we enter. The future is something we create.