We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time.
We all have multiple identities - the trick is to embrace them all.
最慢的工艺往往比最快的时尚更持久。
当好奇心遇上严谨的方法论，科学就会蓬勃发展。
The PAC learning framework provides a formal way to quantify the learnability of a concept class.