I am convinced that the substitution of a simple tax on the rent of land for the complicated taxes which at present oppress industry would be advantageous to all classes.

Physics is not just about solving problems, it's about understanding the nature of reality.

这是最好的时代，也是最坏的时代；这是智慧的时代，也是愚蠢的时代；这是信仰的时代，也是怀疑的时代；这是光明的季节，也是黑暗的季节；这是希望的春天，也是绝望的冬天；我们什么都有，也什么都没有；我们正走向天堂之路，也正走向地狱之门。

化学是在分子水平上操纵物质的艺术，而催化是其最强大的画笔。