二十世纪的伟大斗争是自由主义与极权主义之间的斗争。
The great struggle of the twentieth century was between liberalism and totalitarianism.
Even in the grave， all is not lost.
激光技术的每一次突破都让我们更接近解决困扰科学家数十年的谜题。
盈利和环境责任并不相互排斥，它们必须齐头并进。
The chess-board is the world; the pieces are the phenomena of the universe; the rules of the game are what we call the laws of Nature.
Sustainability isn't an option; it's our responsibility to future generations.