A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.

用我们的教学方法，导师教得少，但却观察得多。

拍电影以外的所有事情都让我紧张。

创新不仅仅是技术的问题，而是改变人们思考和行动的方式。

The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.