出自北齐·颜之推《颜氏家训·勉学》。没有把天下所有的书读个遍，就不要信口雌黄的发表观点。
It's not always necessary to be better than everyone else, but to be better than you used to be.
真相很少是纯粹的，也从不简单。
爱是唯一能超越时间和空间的东西。
The future of democracy depends on its ability to adapt to new challenges and to renew itself.