在化学中，最小的变化可能引发最大的革命。
The past is always there, but it's not the only thing that's there.
如何道歉：快速、具体、真诚。
We must ensure that globalization is a positive force for all, and not a source of further division.
我们必须确保全球化对所有人来说都是一股积极的力量，而不是进一步分裂的根源。
History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation.