We must stop just talking about change and start acting.

"The most important thing in filmmaking is to be honest with yourself."

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

【讲解】：古代读书人学习的目的，在于修养自己的学问道德（然后去为国家、人民服务），现在读书人学习的目的，在于给别人看（希望得到别人的赞美和任用）。