假如孩子们的活动正好和他的内在需求相配合，孩子的表现会让我们他的发展所需。

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

世界是一本伟大的书，我们是其中的文字。

煤炭使美国在世界范围内保持竞争力。

未经审视的人生不值得过。

广东话谚语

Technology will be the bridge between traditional energy and a cleaner future.

I'm not a person who looks back. I'm always looking forward.