最好的水果来自最好的实践。

Chemistry is the science of matter, but I prefer to see it as the science of change.

谦逊是科学家所能拥有的最大美德。

能源的未来在于多样化——石油、天然气、可再生能源及其他。

Any woman who understands the problems of running a home will be nearer to understanding the problems of running a country.