Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

We must be realistic about the pace of change. The world will need oil and gas for decades to come, even as we invest in lower-carbon solutions.

唯一防御世界的围墙就是彻底了解它。

The decay of political institutions is often a result of the inability to adapt to changing circumstances, leading to rigidity and eventual decline.

体育教育的目标是发展健全的身体，作为健全心智的工具。

Happiness is not something you postpone for the future; it is something you design for the present.