A problem well put is half solved.
一个被正确提出的问题等同于已经解决了一半。
不必担忧财富不多，只须担忧财富不平均，不必担忧人口稀少，只须担忧境内不安宁。……既来了，要使他们安家乐业。
The past is never dead. It's not even past.
Don't criticize what you can't understand.
云计算就像电力一样，未来会成为社会的基础设施。