应该做官就做官，应该辞职就辞职，应该继续干就继续干，应该马上走就马上走。

"Manchmal ist das Leben wie ein Roman, den man nicht versteht, bis man die letzte Seite gelesen hat."

To talk about painting is not only difficult but perhaps pointless too.

法规应推动创新，而非扼杀创新。

The essence of mathematics lies in its freedom.

Thinking consists in envisaging, realizing structural features and structural requirements.