能源的未来不是要在煤炭和可再生能源之间做出选择,而是找到正确的平衡。
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 most important thing is to disturb the comfortable and comfort the disturbed.
Life is too short to wake up in the morning with regrets.