Success in this industry is measured not just in tons produced, but in communities strengthened and environments protected.
我不是天后。我是一个正在进行中的作品。
最优雅的证明是那些清晰地揭示问题本质的证明。
确保和平的最佳方式是维持大国之间的权力平衡。
Everyone wants a better life: very few of us want to be better people.