The story of chemistry is the story of humanity’s quest to understand the world.

The essence of liberty is the ability to pursue one’s own goals without arbitrary interference from others.

称王天下的国家，民众富有；称霸天下的国家，谋士富有；勉强存在的国家，大臣富有；丧失王道的国家，仓库富有。点评：贞观二年，唐太宗让有关部门去清点隋朝国库留下的物资。等数字报上来后，太宗大为惊讶。原来，「隋文（帝）不怜百姓而惜仓库，比至末年，计天下储积，得供五六十年……」

The truth doesn't always set you free. Sometimes it just makes you see the chains.

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.