能源的未来在于来源、技术和商业模式的多样化。
I don't follow trends, I set them.
自由民主的传播和世界经济的整合创造了一种情况,即大国不再愿意相互开战。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
The act of writing is an act of optimism.