我不是因为快乐而歌唱，我歌唱是因为我快乐。
The art of filmmaking is the art of manipulating time and space.
The best way to predict the future is to create it.
Will you play it safe， or will you be a little bit swashbuckling？
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。