The past is always tense, the future perfect.

The key to making a great film is to have a clear vision and to stick to it.

表演最有价值的部分是与人在深层次上建立联系。

To know good and evil is not enough； one must also do them.

戏剧是最直接面对人类状况的艺术形式。

The psychologist must be a meticulous observer.