确保和平的最佳方式是维持主要国家之间的权力平衡。
The best way to ensure peace is to maintain a balance of power among the major states.
物理学的未来不在于发现新的粒子,而在于理解支配我们已经知道的粒子行为的更深层次的原则。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.