定理是数学的永久文献。
Theorems are the permanent literature of mathematics.
Every man has a right to his opinion, but no man has a right to be wrong in his facts.
Understanding the intricacies of the world is essential to attaining wisdom.
可持续性不仅仅是植树造林;而是确保我们今天采取的每一个行动都不会损害未来。
Leadership in the coal industry today means navigating the delicate balance between economic necessity and environmental responsibility.
The world needs energy that is affordable, reliable and cleaner.
Brand is just a perception, and perception will match reality over time.
The art of film is the art of collaboration.