科学的美丽在于它能够解释无法解释的事物。
国家是理性的行为体，它们寻求最大化相对权力，以确保在竞争性的国际体系中生存。
Technological breakthroughs are not achieved overnight, they require long-term investment and patient accumulation.
Innovation in forestry practices is the key to balancing economic growth and environmental preservation.
True happiness comes from within, not from external achievements or possessions.
The real challenge is to create something that has meaning beyond its function.